Physiologia plantarum最新文献

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Ascorbate, plant hormones and their interactions during plant responses to biotic stress. 抗坏血酸、植物激素及其在植物应对生物胁迫过程中的相互作用。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14388
Kalpita Singh, Ravi Gupta, Sajid Shokat, Nadeem Iqbal, Gábor Kocsy, José Manuel Pérez-Pérez, Riyazuddin Riyazuddin
{"title":"Ascorbate, plant hormones and their interactions during plant responses to biotic stress.","authors":"Kalpita Singh, Ravi Gupta, Sajid Shokat, Nadeem Iqbal, Gábor Kocsy, José Manuel Pérez-Pérez, Riyazuddin Riyazuddin","doi":"10.1111/ppl.14388","DOIUrl":"https://doi.org/10.1111/ppl.14388","url":null,"abstract":"<p><p>Plants can experience a variety of environmental stresses that significantly impact their fitness and survival. Additionally, biotic stress can harm agriculture, leading to reduced crop yields and economic losses worldwide. As a result, plants have developed defense strategies to combat potential invaders. These strategies involve regulating redox homeostasis. Several studies have documented the positive role of plant antioxidants, including Ascorbate (Asc), under biotic stress conditions. Asc is a multifaceted antioxidant that scavenges ROS, acts as a co-factor for different enzymes, regulates gene expression, and facilitates iron transport. However, little attention has been given to Asc and its transport, regulatory effects, interplay with phytohormones, and involvement in defense processes under biotic stress. Asc interacts with other components of the redox system and phytohormones to activate various defense responses that reduce the growth of plant pathogens and promote plant growth and development under biotic stress conditions. Scientific reports indicate that Asc can significantly contribute to plant resistance against biotic stress through mutual interactions with components of the redox and hormonal systems. This review focuses on the role of Asc in enhancing plant resistance against pathogens. Further research is necessary to gain a more comprehensive understanding of the molecular and cellular regulatory processes involved.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470161","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: 0
Expression and function analysis of phenylalanine ammonia-lyase genes involved in Bamboo lignin biosynthesis. 参与竹木素生物合成的苯丙氨酸氨解酶基因的表达和功能分析
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14444
Huayu Sun, Hui Li, Mei Huang, Zhimin Gao
{"title":"Expression and function analysis of phenylalanine ammonia-lyase genes involved in Bamboo lignin biosynthesis.","authors":"Huayu Sun, Hui Li, Mei Huang, Zhimin Gao","doi":"10.1111/ppl.14444","DOIUrl":"https://doi.org/10.1111/ppl.14444","url":null,"abstract":"<p><p>Bamboo, renowned as the fastest-growing plant globally, matures within an astonishingly short period of 40-50 days from shoots, reaching heights of 10-20 meters. Moreover, it can be harvested for various uses within 3-5 years. Bamboo exhibits exceptional mechanical properties, characterized by high hardness and flexibility, largely attributed to its lignin content. Phenylalanine ammonia-lyase (PAL) catalyzes the crucial initial step in lignin biosynthesis, but its precise role in bamboo lignification processes remains elusive. Thus, elucidating the functions of PAL genes in bamboo lignification processes is imperative for understanding its rapid growth and mechanical strength. Here, we systematically identified and classified PAL genes in Moso bamboo, ensuring nomenclature consistency across prior studies. Subsequently, we evaluated PAL gene expression profiles using publicly available transcriptome data. The downregulation of PePALs expression in Moso bamboo through in planta gene editing resulted in a decrease in PAL activity and a subsequent reduction in lignin content. In contrast, overexpression of PePAL led to enhanced PAL activity and an increase in lignin content. These findings highlight the critical role of PAL in the lignin biosynthesis process of Moso bamboo, which will help to unravel the mechanism underpinning bamboo's rapid growth and mechanical strength, with a specific emphasis on elucidating the functions of PAL genes.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617033","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: 0
MsABCG1, ATP-Binding Cassette G transporter from Medicago Sativa, improves drought tolerance in transgenic Nicotiana Tabacum. MsABCG1是来自Medicago Sativa的ATP结合盒G转运体,它能提高转基因烟草的耐旱性。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14446
Rongchen Yang, Yeyan Yang, Yinying Yuan, Benzhong Zhang, Ting Liu, Zitong Shao, Yuanying Li, Peizhi Yang, Jie An, Yuman Cao
{"title":"MsABCG1, ATP-Binding Cassette G transporter from Medicago Sativa, improves drought tolerance in transgenic Nicotiana Tabacum.","authors":"Rongchen Yang, Yeyan Yang, Yinying Yuan, Benzhong Zhang, Ting Liu, Zitong Shao, Yuanying Li, Peizhi Yang, Jie An, Yuman Cao","doi":"10.1111/ppl.14446","DOIUrl":"10.1111/ppl.14446","url":null,"abstract":"<p><p>Drought has a devastating impact, presenting a formidable challenge to agricultural productivity and global food security. Among the numerous ABC transporter proteins found in plants, the ABCG transporters play a crucial role in plant responses to abiotic stress. In Medicago sativa, the function of ABCG transporters remains elusive. Here, we report that MsABCG1, a WBC-type transporter highly conserved in legumes, is critical for the response to drought in alfalfa. MsABCG1 is localized on the plasma membrane, with the highest expression observed in roots under normal conditions, and its expression is induced by drought, NaCl and ABA signalling. In transgenic tobacco, overexpression of MsABCG1 enhanced drought tolerance, evidenced by increased osmotic regulatory substances and reduced lipid peroxidation. Additionally, drought stress resulted in reduced ABA accumulation in tobacco overexpressing MsABCG1, demonstrating that overexpression of MsABCG1 enhanced drought tolerance was not via an ABA-dependent pathway. Furthermore, transgenic tobacco exhibited increased stomatal density and reduced stomatal aperture under drought stress, indicating that MsABCG1 has the potential to participate in stomatal regulation during drought stress. In summary, these findings suggest that MsABCG1 significantly enhances drought tolerance in plants and provides a foundation for developing efficient drought-resistance strategies in crops.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141875625","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: 0
Peanut photosynthesis response to drought can include diffusive and biochemical limitations depending on cultivar. 花生光合作用对干旱的反应可能包括扩散和生化限制,具体取决于栽培品种。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14489
David Soba, Summer Parker, Charles Chen, Avat Shekoofa, Alvaro Sanz-Saez
{"title":"Peanut photosynthesis response to drought can include diffusive and biochemical limitations depending on cultivar.","authors":"David Soba, Summer Parker, Charles Chen, Avat Shekoofa, Alvaro Sanz-Saez","doi":"10.1111/ppl.14489","DOIUrl":"https://doi.org/10.1111/ppl.14489","url":null,"abstract":"<p><p>Photosynthesis, understood as the photosynthetic carbon assimilation rate, is one of the key processes affected by drought stress. The effects can be via decreased CO<sub>2</sub> diffusion and biochemical constraints. However, there is still no unified consensus about the contribution of each mechanism to the drought response. This research assessed the underlying limitations to photosynthesis in nine peanut genotypes (Arachis hypogaea L.) with different water strategies (water savers vs water spenders) under progressive drought. Water saver cultivars close the stomata earlier during drought, resulting in decreased transpiration and photosynthesis, which results in less water depletion in the soil, while water spenders maintain the stomata open during drought. In order to test the performance of these genotypes, growth, transpiration per plant, gas exchange measurements, chlorophyll fluorescence and A/C<sub>i</sub> response curves were analyzed under drought and well-watered conditions. In general, drought first affected photosynthesis (at the leaf and canopy level) via stomatal closure and then by impacts on chlorophyll fluorescence in all genotypes, but at different intensity levels. The maximum rate of carboxylation and the maximum rate of electron transport, physiological characteristics related to biochemical constraints, were not affected during the onset of drought, but they were decreased at the end of the drought period, with the exception of the PI 493329 genotype that showed higher stomatal conductance due to a bigger root system. The findings presented here highlight the importance of genetic variation in the photosynthetic response of peanut to drought, which should be considered when breeding for future climates.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142009221","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: 0
Nitrate transporters and mechanisms of nitrate signal transduction in Arabidopsis and rice. 拟南芥和水稻中的硝酸盐转运体和硝酸盐信号转导机制
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14486
Xiaojia Zhang, Qian Zhang, Na Gao, Mingchao Liu, Chang Zhang, Jiajun Luo, Yibo Sun, Yulong Feng
{"title":"Nitrate transporters and mechanisms of nitrate signal transduction in Arabidopsis and rice.","authors":"Xiaojia Zhang, Qian Zhang, Na Gao, Mingchao Liu, Chang Zhang, Jiajun Luo, Yibo Sun, Yulong Feng","doi":"10.1111/ppl.14486","DOIUrl":"https://doi.org/10.1111/ppl.14486","url":null,"abstract":"<p><p>Nitrate (NO<sub>3</sub> <sup>-</sup>) is a significant inorganic nitrogen source in soil, playing a crucial role in influencing crop productivity. As sessile organisms, plants have evolved complex mechanisms for nitrate uptake and response to varying soil levels. Recent advancements have enhanced our understanding of nitrate uptake and signaling pathways. This mini-review offers a comparative analysis of nitrate uptake mechanisms in Arabidopsis and rice. It also examines nitrate signal transduction, highlighting the roles of AtNRT1.1 and AtNLP7 as nitrate receptors and elucidating the OsNRT1.1B-OsSPX4-OsNLP3 cascade. Additionally, it investigates nuclear transcriptional networks that regulate nitrate-responsive genes, controlled by various transcription factors (TFs) crucial for plant development. By integrating these findings, we highlight mechanisms that may help to enhance crop nitrogen utilization.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073554","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: 0
Sucrose-Phosphate Synthase and Sucrose Synthase contribute to refoliation in ryegrass, a grassland fructan-accumulating species. 蔗糖磷酸合成酶和蔗糖合成酶促进了黑麦草(一种草地果糖积累物种)的再oliation。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14427
Nathalie Noiraud-Romy, Alexandre Berthier, Frédéric Meuriot, Marie-Pascale Prud Homme
{"title":"Sucrose-Phosphate Synthase and Sucrose Synthase contribute to refoliation in ryegrass, a grassland fructan-accumulating species.","authors":"Nathalie Noiraud-Romy, Alexandre Berthier, Frédéric Meuriot, Marie-Pascale Prud Homme","doi":"10.1111/ppl.14427","DOIUrl":"https://doi.org/10.1111/ppl.14427","url":null,"abstract":"<p><p>The perennity of grassland species such as Lolium perenne greatly depends on their ability to regrow after cutting or grazing. Refoliation largely relies on the mobilization of fructans in the remaining tissues and on the associated sucrose synthesis and transport towards the basal leaf meristems. However, nothing is known yet about the sucrose synthesis pathway. Sucrose Phosphate Synthase (SPS) and Sucrose Synthase (SuS) activities, together with their transcripts, were monitored during the first hours after defoliation along the leaf axis of mature leaf sheaths and elongating leaf bases (ELB) where the leaf meristems are located. In leaf sheaths, which undergo a sink-source transition, fructan and sucrose contents declined while SPS and SuS activities increased, along with the expression of LpSPSA, LpSPSD.2, LpSuS1, LpSuS2, and LpSuS4. In ELB, which continue to act as a strong carbon sink, SPS and SuS activities increased to varying degrees while the expression of all the LpSPS and LpSuS genes decreased after defoliation. SPS and SuS both contribute to refoliation but are regulated differently depending on the source or sink status of the tissues. Together with fructan metabolism, they represent key determinants of ryegrass perennity and, more generally, of grassland sustainability.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617035","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: 0
Expression of the alfalfa gene MsMDHAR in Arabidopsis thaliana increases water stress tolerance. 拟南芥中紫花苜蓿基因MsMDHAR的表达提高了对水分胁迫的耐受性。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14448
Camila Jaime, Carlos Dezar, Israel Pagán, German Dunger
{"title":"Expression of the alfalfa gene MsMDHAR in Arabidopsis thaliana increases water stress tolerance.","authors":"Camila Jaime, Carlos Dezar, Israel Pagán, German Dunger","doi":"10.1111/ppl.14448","DOIUrl":"10.1111/ppl.14448","url":null,"abstract":"<p><p>The ascorbate-glutathione pathway plays an essential role in the physiology of vascular plants, particularly in their response to environmental stresses. This pathway is responsible for regulating the cellular redox state, which is critical for maintaining cell function and survival under adverse conditions. To study the involvement of the alfalfa monodehydroascorbate reductase (MsMDHAR) in water stress processes, Arabidopsis thaliana plants constitutively expressing the sequence encoding MsMDHAR were developed. Transgenic events with low and high MsMDHAR expression and ascorbate levels were selected for further analysis of drought and waterlogging tolerance. Under water stress, Arabidopsis transgenic plants generated higher biomass, produced more seeds, and had larger roots than wild type ones. This higher tolerance was associated with increased production of waxes and chlorophyll a at the basal level, greater stomatal opening and stability in regulating the relative water content and reduced H<sub>2</sub>O<sub>2</sub> accumulation under stress conditions in transgenic plants. Overall, these results show that MsMDHAR is involved in plant tolerance to abiotic stresses. The data presented here also emphasises the potential of the MsMDHAR enzyme as a plant breeding tool to improve water stress tolerance.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141856211","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: 0
Combined application of myo-inositol and corn steep liquor enhances seedling growth and cold tolerance in cucumber and tomato. 联合施用肌醇和玉米浸出液可提高黄瓜和番茄的幼苗生长和耐寒性。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14422
Shilong Sun, Xinjun Zhang, Cuicui Wang, Qi Yu, Hongli Yang, Weimin Xu, Tao Wang, Lihong Gao, Xiangqing Meng, Sha Luo, Lianhong Zhang, Qing Chen, Wenna Zhang
{"title":"Combined application of myo-inositol and corn steep liquor enhances seedling growth and cold tolerance in cucumber and tomato.","authors":"Shilong Sun, Xinjun Zhang, Cuicui Wang, Qi Yu, Hongli Yang, Weimin Xu, Tao Wang, Lihong Gao, Xiangqing Meng, Sha Luo, Lianhong Zhang, Qing Chen, Wenna Zhang","doi":"10.1111/ppl.14422","DOIUrl":"https://doi.org/10.1111/ppl.14422","url":null,"abstract":"<p><p>Low temperatures pose a common challenge in the production of cucumbers and tomatoes, hindering plant growth and, in severe cases, leading to plant death. In our investigation, we observed a substantial improvement in the growth of cucumber and tomato seedlings through the application of corn steep liquor (CSL), myo-inositol (MI), and their combinations. When subjected to low-temperature stress, these treatments resulted in heightened levels of photosynthetic pigments, thereby fostering enhanced photosynthesis in both tomato and cucumber plants. Furthermore, it contributed to a decrease in malondialdehyde (MDA) levels and electrolyte leakage (REP). The effectiveness of the treatment was further validated through the analysis of key gene expressions (CBF1, COR, MIOX4, and MIPS1) in cucumber. Particularly, noteworthy positive outcomes were noted in the treatment involving 0.6 mL L<sup>-1</sup> CSL combined with 72 mg L<sup>-1</sup> MI. This study provides valuable technical insights into leveraging the synergistic effects of inositol and maize leachate to promote early crop growth and bolster resistance to low temperatures.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141500148","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: 0
Influence of IAA and ABA on maize stem vessel diameter and stress resistance in variable environments. IAA和ABA对不同环境下玉米茎血管直径和抗逆性的影响
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14443
Junzhou Liu, Marc Carriquí, Dongliang Xiong, Shaozhong Kang
{"title":"Influence of IAA and ABA on maize stem vessel diameter and stress resistance in variable environments.","authors":"Junzhou Liu, Marc Carriquí, Dongliang Xiong, Shaozhong Kang","doi":"10.1111/ppl.14443","DOIUrl":"https://doi.org/10.1111/ppl.14443","url":null,"abstract":"<p><p>The plasticity of the xylem and its associated hydraulic properties play crucial roles in plant acclimation to environmental changes, with vessel diameter (D<sub>v</sub>) being the most functionally prominent trait. While the effects of external environmental factors on xylem formation and D<sub>v</sub> are not fully understood, the endogenous hormones indole-3-acetic acid (IAA) and abscisic acid (ABA) are known to play significant signalling roles under stress conditions. This study investigates how these hormones impact D<sub>v</sub> under various environmental changes. Experiments were conducted in maize plants subjected to drought, soil salinity, and high CO<sub>2</sub> concentration treatments. We found that drought and soil salinity significantly reduced D<sub>v</sub> at the same stem internode, while an elevated CO<sub>2</sub> concentration can mitigate this decrease in D<sub>v</sub>. Remarkably, significant negative correlations were observed between D<sub>v</sub> and the contents of IAA and ABA when considering the different treatments. Moreover, appropriate foliar application of either IAA or ABA on well-watered and stressed plants led to a decrease in D<sub>v</sub>, while the application of corresponding inhibitors resulted in an increase in D<sub>v</sub>. This finding underscores the causal relationship between D<sub>v</sub> and the levels of both IAA and ABA, offering a promising approach to manipulating xylem vessel size.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141748795","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: 0
Multi-model GWAS reveals key loci for horticultural traits in reconstructed garden strawberry. 多模型 GWAS 揭示了重建花园草莓园艺性状的关键位点。
IF 5.4 2区 生物学
Physiologia plantarum Pub Date : 2024-07-01 DOI: 10.1111/ppl.14440
Attiq Ur Rehman, Terhi Iso-Touru, Jakob Junkers, Marja Rantanen, Saila Karhu, Daniel Fischer, Muath Alsheikh, Stein Harald Hjeltnes, Bruno Mezzetti, Jahn Davik, Alan H Schulman, Timo Hytönen, Tuuli Haikonen
{"title":"Multi-model GWAS reveals key loci for horticultural traits in reconstructed garden strawberry.","authors":"Attiq Ur Rehman, Terhi Iso-Touru, Jakob Junkers, Marja Rantanen, Saila Karhu, Daniel Fischer, Muath Alsheikh, Stein Harald Hjeltnes, Bruno Mezzetti, Jahn Davik, Alan H Schulman, Timo Hytönen, Tuuli Haikonen","doi":"10.1111/ppl.14440","DOIUrl":"https://doi.org/10.1111/ppl.14440","url":null,"abstract":"<p><p>The cultivated garden strawberry (Fragaria × ananassa) has a rich history, originating from the hybridization of two wild octoploid strawberry species in the 18th century. Two-step reconstruction of Fragaria × ananassa through controlled crossings between pre-improved selections of its parental species is a promising approach for enriching the breeding germplasm of strawberry for wider adaptability. We created a population of reconstructed strawberry by hybridizing elite selections of F. virginiana and F. chiloensis. A replicated field experiment was conducted to evaluate the population's performance for eleven horticulturally important traits, over multiple years. Population structure analyses based on Fana-50 k SNP array data confirmed pedigree-based grouping of the progenies into four distinct groups. As complex traits are often influenced by environmental variables, and population structure can lead to spurious associations, we tested multiple genome-wide association study (GWAS) models. GWAS uncovered 39 quantitative trait loci (QTL) regions for eight traits distributed across twenty chromosomes, including 11 consistent and 28 putative QTLs. Candidate genes for traits including winter survival, flowering time, runnering vigor, and hermaphrodism were identified within the QTL regions. To our knowledge, this study marks the first comprehensive investigation of adaptive and horticultural traits in a large, multi-familial reconstructed strawberry population using SNP markers.</p>","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":null,"pages":null},"PeriodicalIF":5.4,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141731415","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: 0
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