Critical Reviews in Plant Sciences最新文献

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No-Till Farming and Conservation Agriculture in South Asia – Issues, Challenges, Prospects and Benefits 南亚免耕和保护性农业:问题、挑战、前景和效益
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-05-03 DOI: 10.1080/07352689.2020.1782069
J. Somasundaram, N. Sinha, R. Dalal, R. Lal, M. Mohanty, A. Naorem, K. M. Hati, R. Chaudhary, A. Biswas, A. Patra, S. K. Chaudhari
{"title":"No-Till Farming and Conservation Agriculture in South Asia – Issues, Challenges, Prospects and Benefits","authors":"J. Somasundaram, N. Sinha, R. Dalal, R. Lal, M. Mohanty, A. Naorem, K. M. Hati, R. Chaudhary, A. Biswas, A. Patra, S. K. Chaudhari","doi":"10.1080/07352689.2020.1782069","DOIUrl":"https://doi.org/10.1080/07352689.2020.1782069","url":null,"abstract":"Abstract Of late, intensive farming for higher food production is often associated with many negative implications for soil systems, such as decline of soil organic matter (SOM), increase in risks of soil erosion by wind and/or water, decline in soil biological diversity, increase in degradation of soil physical quality, lower nutrient-use efficiency, high risks of groundwater pollution, falling water tables, increasing salinization and waterlogging, in-field burning of crop residues, pollution of air and emission of greenhouse gases (GHG), leading to global warming, and decline in factor productivity. These negative implications necessitate an objective review of strategies to develop sustainable management practices, which could not only sustain soil health and ensure food security, but also enhance carbon sequestration, decrease GHG emissions, and offer clean and better ecosystem services. Conservation agriculture (CA), that includes reduced or no-till practices along with crop residue retention and mixed crop rotations, offers multiple benefits. Adoption of a system-based CA conserves water, improves and creates more efficient use of natural resources through the integrated management of available soil nutrients, water, and biological resources, and enhances use efficiency of external inputs. Due to apparent benefits of CA, it is increasingly being adopted and now covers about 180 million hectares (Mha) worldwide. However, in South Asia its spread is low (<5 Mha), mostly concentrated in the Indo-Gangetic Plains (IGP). In this region, one of the serious issues is “residue burning” with severe environmental impacts. A huge amount of crop residue left over after the combine harvest of rice has forced farmers to practice widespread residue burning (∼140 M tonnes) to cope with excessive stubble and also for timely planting/sowing of succeeding crops. In rice-wheat cropping systems, which cover more than 10 Mha in the IGP, CA practices are relatively more accepted by farmers. In these systems, any delay in sowing leads to yield penalty of 1–1.5% per day after the optimum sowing date of wheat. The strong adoption of CA practices in IGP is mainly to overcome delayed sowing due to the field preparation and control of weeds, timely planting, and also escape from terminal heat during the grain-filling stage. Major challenges to CA adoption in South Asia are small land holdings (<1 ha), low technological reach to farmers, nonavailability of suitable farm implements for small farm holders, and the staunch conventional farming mind-set. South Asia region consists of many countries of diverse agro-ecologies with contrasting farming systems and management. This region, recently known for rapid economic growth and increasing population, necessitates higher food production and also hot-spots for adoption of CA technologies. Therefore, in this review critically explores the possibility, extent of area, prospects, challenges, and benefits of CA in South Asia. HI","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"236 - 279"},"PeriodicalIF":6.9,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1782069","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"59480506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 55
Defining Cyanobacterial Species: Diversity and Description Through Genomics 定义蓝藻物种:多样性和基因组学描述
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-03-03 DOI: 10.1080/07352689.2020.1763541
Anusuya Willis, J. Woodhouse
{"title":"Defining Cyanobacterial Species: Diversity and Description Through Genomics","authors":"Anusuya Willis, J. Woodhouse","doi":"10.1080/07352689.2020.1763541","DOIUrl":"https://doi.org/10.1080/07352689.2020.1763541","url":null,"abstract":"Abstract Cyanobacteria were the first oxygenic photosynthersizers, evolving ∼3.5 bya, they have since radiated into one of the most diverse and widely distributed phyla of bacteria. Cyanobacterial diversification occurs through ecological adaptation, facilitated by asexual reproduction, homologous recombination and horizontal gene transfer, and selection pressures on ecotypes leading to speciation. Delimiting cyanobacterial species is, thus, fraught with difficulties and a clear taxonomy has not yet been universally accepted. This review discusses diversity and description of cyanobacteria: covering traditional and new methods to define species boundaries and concluding with a focus on the advances made through genomics. Examples from the genera Raphidiopsis, Microcystis, and Prochlorococcus are used throughout. Genome plasticity allows cyanobacteria to rapidly adapt and be resilient to environmental changes, illustrating the means of their persistence, and is an important aspect of their biology. Genomics has revealed generalist and specialist genome strategies, intraspecific diversity, and genome evolution in response to environmental stimuli. New taxonomic definitions will need to account for intraspecific genetic variation, with a species classification that is relevant to a species concept and scientific endeavors. Capturing intraspecific diversity with comparative genomics may provide a new path to species classification. This is demonstrated with two case studies; comparison of available genomes shows differing species delineation of Raphidiopsis and Microcystis. In both genera, species boundaries occur at ∼96% average nucleotide identity (ANI), where homologous recombination is constrained, but speciation of Raphidiopsis raciborskii, R. brookii, and R. curvata has occurred through geographic isolation, whereas available data on Microcystis contain at least 15 species, reflecting, to differing extents, different ecotypes, which may co-exist. Both case studies question the relative importance of species-specific versus habitat specific gene pools as drivers of inter- and intraspecific diversity.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"101 - 124"},"PeriodicalIF":6.9,"publicationDate":"2020-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1763541","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48518035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 32
Emerging Functions of Plant Serine/Arginine-Rich (SR) Proteins: Lessons from Animals 植物富含丝氨酸/精氨酸(SR)蛋白的新功能:来自动物的教训
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-03-03 DOI: 10.1080/07352689.2020.1770942
Di Zhang, Moxian Chen, F. Zhu, Jianhua Zhang, Ying-Gao Liu
{"title":"Emerging Functions of Plant Serine/Arginine-Rich (SR) Proteins: Lessons from Animals","authors":"Di Zhang, Moxian Chen, F. Zhu, Jianhua Zhang, Ying-Gao Liu","doi":"10.1080/07352689.2020.1770942","DOIUrl":"https://doi.org/10.1080/07352689.2020.1770942","url":null,"abstract":"Abstract Serine/arginine-rich (SR) proteins are widely found in higher eukaryotes, including metazoans and plants. They form a major family of essential splicing factors that function in both constitutive splicing (CS) and alternative splicing (AS). Some SR proteins can also shuttle between the nucleus and cytoplasm and have roles beyond splicing. The activities of SR proteins are required for many living organisms to maintain normal growth and development. Although SR genes have been identified in numerous plants, they are less studied than those found in animals. The results of existing research suggest that plant SR proteins share many similar properties with their animal counterparts. However, plants generally have a higher number of SR proteins that display largely redundant functions under normal conditions but participate in specific stress responses. Moreover, many animal and plant SR genes are alternatively spliced and can be regulated by themselves or other SR proteins. These AS events, often coupled to nonsense-mediated decay (NMD), enable a mechanism for protein amount control under different conditions but sometimes also lead to translated protein isoforms with different functions. Here, we summarize the key findings of SR proteins in animals and plants and compare the essential characteristics of SR studies in these two research areas.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"173 - 194"},"PeriodicalIF":6.9,"publicationDate":"2020-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1770942","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47394219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Fire as a Selective Agent for both Serotiny and Nonserotiny Over Space and Time 火在空间和时间上对血清性和非血清性的选择性作用
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-03-03 DOI: 10.1080/07352689.2020.1768465
B. Lamont, J. Pausas, Tianhua He, E. Witkowski, M. Hanley
{"title":"Fire as a Selective Agent for both Serotiny and Nonserotiny Over Space and Time","authors":"B. Lamont, J. Pausas, Tianhua He, E. Witkowski, M. Hanley","doi":"10.1080/07352689.2020.1768465","DOIUrl":"https://doi.org/10.1080/07352689.2020.1768465","url":null,"abstract":"Abstract Serotiny is the prolonged storage of seeds in closed cones or fruits held within the crown of woody plants. It is widespread throughout fireprone vegetation with a predominantly winter rainfall, especially in Mediterrnanean-type ecosystems (MTEs). Nonstorage is a feature of fireprone vegetation with summer-dominant rainfall or nonfireprone vegetation. Serotiny confers fitness benefits on an individual when fire return intervals fall between age to reproductive maturity and the plant life span. The level of serotiny within and between species varies greatly along a continuum indicating highly plastic responses to different environmental conditions. Here we review how and why the traits that underpin this reproductive syndrome evolved and continue to control the occurrence of species in contemporary landscapes. We documented 1345 serotinous species in fireprone regions of Australia, South Africa, the Mediterranean Basin, North America, and Asia. The length of seed storage varies from a few years (weak serotiny) to >10 years (strong serotiny), with remarkable diversity even within clades. We show how the interplay between postfire and interfire seedling recruitment dictates the expression of serotiny along a strong serotiny/nonserotiny continuum, and that, where strong serotiny is favored, the ‘gene support for serotiny’ builds up over successive generations. Nonserotiny is favored in the absence of fire or occurs at intervals exceeding plant longevity, but also when the fire is so frequent that only resprouters can survive. We identify 23 traits associated with serotiny/nonserotiny syndromes that are subject to both environmental and phylogenetic constraints. While all are coordinated for maximum fitness, some traits, such as protection from granivores, are only indirectly related to the fire regime. Serotiny has a long history extending back to the Triassic. The rate of serotinous-lineage proliferation has fluctuated greatly over time but peaked over the last 5 million years. Nonserotinous species have evolved from serotinous ancestors in response to increased fire frequency, or as plants migrated to fire-free habitats. We note that contemporary shifts in climate, land-use, and exploitation have had a profound, but disproportionate, effect on the conservation status and evolutionary trajectory of serotinous species in MTEs. Escalating anthropogenic impacts increase the need to understand how and why serotiny is such a prominent feature of some fireprone ecosystems. We highlight avenues for future research and argue for the use of temporally based measures of serotiny to facilitate comparisons between studies.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"140 - 172"},"PeriodicalIF":6.9,"publicationDate":"2020-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1768465","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44501483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 48
Molecular Mechanisms Determining the Differential Accumulation of Carotenoids in Plant Species and Varieties 植物种类和品种类胡萝卜素积累差异的分子机制
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-03-03 DOI: 10.1080/07352689.2020.1768350
Yuting Luan, Xiumin Fu, Pengjun Lu, D. Grierson, Changjie Xu
{"title":"Molecular Mechanisms Determining the Differential Accumulation of Carotenoids in Plant Species and Varieties","authors":"Yuting Luan, Xiumin Fu, Pengjun Lu, D. Grierson, Changjie Xu","doi":"10.1080/07352689.2020.1768350","DOIUrl":"https://doi.org/10.1080/07352689.2020.1768350","url":null,"abstract":"Abstract Carotenoids are one of the most abundant natural pigments on earth. They accumulate in plastids and play many important roles in biological processes in plants. The structure and quantity of carotenoids vary extensively in different plant species and varieties and over the past three decades the molecular mechanisms underlying these differences have been elucidated. Multiple mechanisms have been discovered, including evolution of novel carotenogenic enzymes and novel catalytic functions, alteration in carotenogenic enzyme activity caused by gene body sequence mutations, changes in gene expression resulting from promoter mutations, difference in expression of noncarotenogenic genes involved in regulation of carotenoid sequestration, plastid sink capacity or transcriptional and epigenetic regulation, as well as effects of related metabolic events. These mechanisms are summarized here, with the aim of providing guidance for future studies on this topic and for genetic manipulation of carotenoid accumulation in plants.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"125 - 139"},"PeriodicalIF":6.9,"publicationDate":"2020-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1768350","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47356702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Small RNAs With a Big Impact on Horticultural Traits 对园艺特性有重大影响的小RNA
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-01-02 DOI: 10.1080/07352689.2020.1741923
Wen-qiu Wang, A. Allan, Xue‐ren Yin
{"title":"Small RNAs With a Big Impact on Horticultural Traits","authors":"Wen-qiu Wang, A. Allan, Xue‐ren Yin","doi":"10.1080/07352689.2020.1741923","DOIUrl":"https://doi.org/10.1080/07352689.2020.1741923","url":null,"abstract":"Abstract The role of protein-encoding genes in determining phenotype is well established, whereas the impact of small RNAs in regulating horticultural traits is being gradually recognized. Small RNAs are small noncoding RNAs of 20–24-nt, which regulate target genes by post-transcriptional regulation or de-novo DNA methylation. In plants, small RNAs are classified into the following two major categories, microRNA (miRNA) and short interfering RNA (siRNA). Most small RNA research focuses on model plants (e.g. Arabidopsis, tomato and rice), and has identified the function of small RNAs on plant development (e.g. meristem organization, leaf development, flower organ identity and transition to flowering). Recently, small RNA sequencing has been applied to study gene regulation in horticultural crops. Plant specific small RNA (miRNAs and phasiRNAs) families have similar function across model plants to horticultural crops. In addition, most plants have unique nonconserved small RNAs, which might affect specific traits. This review focuses on small RNA biogenesis, function prediction and the roles of small RNAs in horticultural traits (e.g. flowering, fruit quality, abiotic and biotic stress), and summarizes small RNA information for future horticultural crop research and breeding.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"30 - 43"},"PeriodicalIF":6.9,"publicationDate":"2020-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1741923","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44758754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Powdery Mildews on Lactuca Species – A Complex View of Host-Pathogen Interactions 乳酸菌上的粉末状霉菌——宿主与病原体相互作用的复杂视角
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-01-02 DOI: 10.1080/07352689.2020.1752439
B. Mieslerová, Miloslav Kitner, E. Křístková, Ľ. Majeský, A. Lebeda
{"title":"Powdery Mildews on Lactuca Species – A Complex View of Host-Pathogen Interactions","authors":"B. Mieslerová, Miloslav Kitner, E. Křístková, Ľ. Majeský, A. Lebeda","doi":"10.1080/07352689.2020.1752439","DOIUrl":"https://doi.org/10.1080/07352689.2020.1752439","url":null,"abstract":"Abstract The present work summarizes important new information and results focused on powdery mildew occurring on the genus Lactuca from a growing body, including long-term research. This plant genus is host to at least three biologically and ecologically different genera of powdery mildew: Golovinomyces (U. Braun) Heluta, Podosphaera Kunze, and Leveillula G. Arnaud. The taxonomy, distribution, morphology, and biology of Golovinomyces bolayi, Podosphaera xanthii, Leveillula lactucae-serriolae, and L. lactucarum are also discussed, along with the threat they pose to Lactuca spp., as well as methods of control. A deeper understanding has only been obtained in the Lactuca spp. – Golovinomyces bolayi pathosystem. The results of 20 years of study into the occurrence of G. bolayi in wild L. serriola populations in the Czech Republic found that the percentage of L. serriola populations infected by G. bolayi (disease incidence) varied considerably between 29 and 75.2% over the reporting period. Although this powdery mildew appears to prefer warmer temperatures (about 20 °C) and lower precipitation, it is hard to discern a direct relationship between meteorological data and disease occurrence. Study of the pathogenic variability of G. bolayi isolates from the Czech Republic between 2008 and 2017 (on a unified and stable differential set of 13 genotypes of genus Lactuca spp.) confirmed that G. bolayi isolates represented different combinations of reaction patterns on the Lactuca spp. differential set. However, isolates virulent on all 13 genotypes (i.e. super-race) were recorded very sporadically. Moving forward, studies of the mechanisms and genetics of resistance are greatly needed.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"44 - 71"},"PeriodicalIF":6.9,"publicationDate":"2020-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1752439","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46728494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Ultra-Low Gossypol Cottonseed: Selective Gene Silencing Opens Up a Vast Resource of Plant-Based Protein to Improve Human Nutrition 超低棉酚棉:选择性基因沉默开辟大量植物蛋白资源改善人类营养
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-01-02 DOI: 10.1080/07352689.2020.1724433
K. Rathore, D. Pandeya, L. M. Campbell, Thomas C. Wedegaertner, L. Puckhaber, R. Stipanovic, J. Scott Thenell, S. Hague, K. Hake
{"title":"Ultra-Low Gossypol Cottonseed: Selective Gene Silencing Opens Up a Vast Resource of Plant-Based Protein to Improve Human Nutrition","authors":"K. Rathore, D. Pandeya, L. M. Campbell, Thomas C. Wedegaertner, L. Puckhaber, R. Stipanovic, J. Scott Thenell, S. Hague, K. Hake","doi":"10.1080/07352689.2020.1724433","DOIUrl":"https://doi.org/10.1080/07352689.2020.1724433","url":null,"abstract":"Abstract The global output of cottonseed contains ∼10.8 trillion grams of protein that can meet the basic protein requirements of ∼590 million people at a rate of 50 g/day. However, gossypol, a toxic terpenoid present in seed glands, renders cottonseed unfit as food for human consumption or as feed for nonruminants. RNAi, under the control of a seed-specific promoter, was used to selectively silence δ-cadinene synthase gene to reduce gossypol levels in the seed by 97% without affecting the levels of gossypol and related terpenoids in rest of the plant where they are needed for defense against insects and diseases. The resulting Ultra-low Gossypol Cottonseed (ULGCS) is considered safe as food or as feed for more efficient (both, in terms of feed conversion ratio and protein conversion ratio) monogastric animals. Field trials conducted over multiple years in multiple states confirm the stability and heritability of the trait with no diminution of fiber/seed yield, quality or agronomic performance. A ULGCS event, TAM66274, was deregulated by USDA-APHIS in October 2018 and FDA concluded its food safety consultation in September 2019 and concurred with our determination of its safety. Global adoption of TAM66274, with more efficient and expanded usage of its protein, has the potential to significantly improve nutrition security and boost farmers’ income without requiring additional inputs or acreage under cultivation, thus making cotton farming more sustainable.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"1 - 29"},"PeriodicalIF":6.9,"publicationDate":"2020-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1724433","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46186332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 51
The Lifecycle of the Plant Immune System. 植物免疫系统的生命周期。
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2020-01-01 Epub Date: 2020-05-18 DOI: 10.1080/07352689.2020.1757829
Pai Li, Yi-Ju Lu, Huan Chen, Brad Day
{"title":"The Lifecycle of the Plant Immune System.","authors":"Pai Li,&nbsp;Yi-Ju Lu,&nbsp;Huan Chen,&nbsp;Brad Day","doi":"10.1080/07352689.2020.1757829","DOIUrl":"https://doi.org/10.1080/07352689.2020.1757829","url":null,"abstract":"<p><p>Throughout their life span, plants confront an endless barrage of pathogens and pests. To successfully defend against biotic threats, plants have evolved a complex immune system responsible for surveillance, perception, and the activation of defense. Plant immunity requires multiple signaling processes, the outcome of which vary according to the lifestyle of the invading pathogen(s). In short, these processes require the activation of host perception, the regulation of numerous signaling cascades, and transcriptome reprograming, all of which are highly dynamic in terms of temporal and spatial scales. At the same time, the development of a single immune event is subjective to the development of plant immune system, which is co-regulated by numerous processes, including plant ontogenesis and the host microbiome. In total, insight into each of these processes provides a fuller understanding of the mechanisms that govern plant-pathogen interactions. In this review, we will discuss the \"lifecycle\" of plant immunity: the development of individual events of defense, including both local and distal processes, as well as the development and regulation of the overall immune system by ontogenesis regulatory genes and environmental microbiota. In total, we will integrate the output of recent discoveries and theories, together with several hypothetical models, to present a dynamic portrait of plant immunity.</p>","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"39 1","pages":"72-100"},"PeriodicalIF":6.9,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2020.1757829","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38729933","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 43
Abiotic Stresses and Non-Protein Amino Acids in Plants 植物非生物胁迫与非蛋白质氨基酸
IF 6.9 2区 生物学
Critical Reviews in Plant Sciences Pub Date : 2019-11-02 DOI: 10.1080/07352689.2019.1707944
Kelly C S Rodrigues-Corrêa, A. Fett-Neto
{"title":"Abiotic Stresses and Non-Protein Amino Acids in Plants","authors":"Kelly C S Rodrigues-Corrêa, A. Fett-Neto","doi":"10.1080/07352689.2019.1707944","DOIUrl":"https://doi.org/10.1080/07352689.2019.1707944","url":null,"abstract":"Abstract Plants have developed several strategies to overcome the broad scope of environmental challenges imposed by biotic and abiotic stresses, including chemical defenses known as secondary metabolites, natural products or, more recently, specialized metabolites, i.e. chemicals often not present in all plant species, which are mostly involved in ecochemical interactions. Nonprotein amino acids (NPAAs) comprise a large heterogeneous group of nitrogen-containing specialized metabolites with wide distribution in the Plant Kingdom, commonly found in several genera of Fabaceae. Various examples of toxic effects attributed to the NPAAs on animal, microbial and other plant cells are known and often related to their structural similarities to protein amino acids (PAAs). However, NPAAs have also been shown to play important roles in planta as protectant molecules against oxidative damage, besides increasing tolerance of different plant species to a variety of abiotic-induced stresses, such as drought, salinity, and temperature. In this review, we discuss well-established and novel functions recently unveiled for NPAAs, besides alternative modes of action proposed for these metabolites as key mediators and effectors in responses to abiotic stresses.","PeriodicalId":10854,"journal":{"name":"Critical Reviews in Plant Sciences","volume":"38 1","pages":"411 - 430"},"PeriodicalIF":6.9,"publicationDate":"2019-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/07352689.2019.1707944","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47444386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
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