{"title":"Antioxidant, anti-acetylcholinesterase, and anti-amyloid-β peptide aggregations of hispolon and its analogs in vitro and improved learning and memory functions in scopolamine-induced ICR mice.","authors":"Chang-Hang Yang, Cai-Wei Li, Yi-Yan Sie, Liang-Chieh Chen, Yu-Hsiang Yuan, Wen-Chi Hou","doi":"10.1186/s40529-024-00443-x","DOIUrl":"10.1186/s40529-024-00443-x","url":null,"abstract":"<p><strong>Background: </strong>Hispolon, one of bioactive phenolic compounds from a medicinal mushroom of sang-huang (Phellinus linteus) has been reported to exhibit anticancer and anti-inflammatory activities. The Alzheimer's disease (AD) is ranked one of the top ten leading causes of death worldwide. Little is known about the effects of hispolon on delaying AD progression.</p><p><strong>Results: </strong>The hispolon (No.1) and its six structural analogs (No.2 to No.7) were assayed by antioxidant, anti-acetylcholinesterase activities and anti-amyloid-β<sub>1-42</sub>-peptide aggregations. The No.1, No.6, and No.7 were selected for further molecular docking with acetylcholinesterase and core fragments of amyloid-β-peptide, and also showed capacities to recover cell viabilities in methylglyoxal-treated SH-SY5Y cells and also to enhance neurite outgrowths in PC12 cells. The daily pre-treatments of No.1, No.6, and No.7 for 10-days (40 mg/kg/day) showed to improve learning dysfunctions in scopolamine-induced ICR mice by passive avoidance tests.</p><p><strong>Conclusion: </strong>The hispolon in the fungus sang-huang might be beneficial to develop functional foods or as lead compounds for treating degenerative disorders.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"38"},"PeriodicalIF":3.4,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11655744/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-11-29DOI: 10.1186/s40529-024-00440-0
Ummar Iqbal, Akkasha Azam, Khawaja Shafique Ahmad, Sahar Mumtaz, Ansar Mehmood, Nargis Naz, Zartasha Usman, Hina Abbas, Muhammad Akram
{"title":"Unveiling the ecological dominance of button mangrove (Conocarpus erectus L.) through microstructural and functional traits modifications across heterogenic environmental conditions.","authors":"Ummar Iqbal, Akkasha Azam, Khawaja Shafique Ahmad, Sahar Mumtaz, Ansar Mehmood, Nargis Naz, Zartasha Usman, Hina Abbas, Muhammad Akram","doi":"10.1186/s40529-024-00440-0","DOIUrl":"10.1186/s40529-024-00440-0","url":null,"abstract":"<p><strong>Background: </strong>The button mangrove (Conocarpus erectus L.) is regarded as a peripheral species within mangrove communities. This particular species has the ability to thrive in regions that are arid or semiarid, where there is limited availability of nutrients. This study provides evidence of the ecological dominance of Conocarpus erectus across various habitats, highlighting its adaptability and success throughout the country of Pakistan. We collected twelve populations from four distinct ecological regions, including artificial forest plantations, agricultural fields, roadsides, and wastelands, offering a comprehensive assessment of C. erectus adaptability across diverse environmental contexts.</p><p><strong>Results: </strong>Forest plantation populations exhibited impressive shoot growth and moderate root lengths, with plants generally tall and well-weighted. Physiologically, they had moderate chlorophyll content and low carotenoid levels, with a balanced chlorophyll a/b ratio, indicating stable photosynthetic activity. Anatomically, these populations had thicker epidermal and cortical root layers but smaller vascular bundles and phloem regions. Stem and leaf structures were generally moderate in size, with thicker midribs and cortical layers in the leaves. Agricultural field populations showed robust shoot and root systems with balanced fresh and dry biomass. They exhibited high chlorophyll and carotenoid levels, indicating strong photosynthetic capacity. Root and stem anatomy revealed larger root areas, thicker cortex, and wide vascular bundles, reflecting enhanced structural development. Leaves from these populations had moderate midrib and cortical thickness, with larger stomatal areas, promoting efficient gas exchange. Roadside populations displayed deeper roots and reduced biomass production. These populations adapted to environmental stress through leaf expansion, with high leaf numbers and areas. Physiologically, populations had high chlorophyll content, with a high chlorophyll a/b ratio. Root and stem anatomy showed compact structures with smaller vascular bundles, indicating adaptation to harsher conditions. Leaf anatomy was moderate, with smaller vascular bundles and reduced water transport capacity. Wasteland populations exhibited poor growth and high shoot biomass despite small leaves. Physiologically, these populations had the highest total soluble protein and proline contents, reflecting stress adaptation. Anatomically, root and stem structures were variable, with some populations showing reduced cortical cell areas and smaller vascular bundles, indicating limited resource transport. Leaf structures had thicker lamina, thinner epidermal layers, and lower stomatal densities, reflecting adaptation to nutrient-poor soils.</p><p><strong>Conclusion: </strong>This study reveals the adaptability and thriving potential of Conocarpus erectus across varied habitats, providing key insights into its resilience and survival ","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"36"},"PeriodicalIF":3.4,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11604896/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142749966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-11-28DOI: 10.1186/s40529-024-00442-y
Hsin-Ying Chang, Hsi-Ching Yen, Hsiu-An Chu, Chih-Horng Kuo
{"title":"Population genomics of a thermophilic cyanobacterium revealed divergence at subspecies level and possible adaptation genes.","authors":"Hsin-Ying Chang, Hsi-Ching Yen, Hsiu-An Chu, Chih-Horng Kuo","doi":"10.1186/s40529-024-00442-y","DOIUrl":"10.1186/s40529-024-00442-y","url":null,"abstract":"<p><strong>Background: </strong>Cyanobacteria are diverse phototrophic microbes with ecological importance and potential for biotechnology applications. One species of thermophilic cyanobacteria, Thermosynechococcus taiwanensis, has been studied for biomass pyrolysis, estrogen degradation, and the production of bioethanol, monosaccharide, and phycocyanin. To better understand the diversity and evolution of this species, we sampled across different regions in Taiwan for strain isolation and genomic analysis.</p><p><strong>Results: </strong>A total of 27 novel strains were isolated from nine of the 12 hot springs sampled and subjected to whole genome sequencing. Including strains studied previously, our genomic analyses encompassed 32 strains from 11 hot springs. Genome sizes among these strains ranged from 2.64 to 2.70 Mb, with an average of 2.66 Mb. Annotation revealed between 2465 and 2576 protein-coding genes per genome, averaging 2537 genes. Core-genome phylogeny, gene flow estimates, and overall gene content divergence consistently supported the within-species divergence into two major populations. While isolation by distance partially explained the within-population divergence, the factors driving divergence between populations remain unclear. Nevertheless, this species likely has a closed pan-genome comprising approximately 3030 genes, with our sampling providing sufficient coverage of its genomic diversity. To investigate the divergence and potential adaptations, we identified genomic regions with significantly lower nucleotide diversity, indicating loci that may have undergone selective sweeps within each population. We identified 149 and 289 genes within these regions in populations A and B, respectively. Only 16 genes were common to both populations, suggesting that selective sweeps primarily targeted different genes in the two populations. Key genes related to functions such as photosynthesis, motility, and ion transport were highlighted.</p><p><strong>Conclusions: </strong>This work provides a population genomics perspective on a hot spring cyanobacterial species in Taiwan. Beyond advancing our understanding of microbial genomics and evolution, the strains collected and genome sequences generated in this work provide valuable materials for future development and utilization of biological resources.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"35"},"PeriodicalIF":3.4,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11602899/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142738443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-11-26DOI: 10.1186/s40529-024-00441-z
Chiao-Yu Ku, Li-Ren Guo, Feng-Chi Cheng, Chun-You Kuo, Andre Fortunatus Karim, Muhammad Yusril Hardiansyah, Yu-Chuan Chang, Yi-Fan Chen, Ya-Yi Chung, Chiu-Ping Cheng
{"title":"The levels of pattern-triggered immunity in the root and stembase of tomato cultivars positively correlate with the resistance to Ralstonia solanacearum.","authors":"Chiao-Yu Ku, Li-Ren Guo, Feng-Chi Cheng, Chun-You Kuo, Andre Fortunatus Karim, Muhammad Yusril Hardiansyah, Yu-Chuan Chang, Yi-Fan Chen, Ya-Yi Chung, Chiu-Ping Cheng","doi":"10.1186/s40529-024-00441-z","DOIUrl":"10.1186/s40529-024-00441-z","url":null,"abstract":"<p><strong>Background: </strong>Bacterial wilt (BW), caused by Ralstonia solanacearum (Rs), is one of the most destructive diseases impacting a wide range of crops globally. The infection process is complex involving intricate interactions between the plant and Rs. Managing BW is challenging, and crop breeding remains the most effective strategy for disease control. Resistance to BW in crops is primarily associated with quantitative trait loci (QTLs), which are believed to correlate with the simultaneous activation of multiple defense mechanisms against pathogens. This study aimed to clarify the nature of BW resistance and determine whether pattern-triggered immunity (PTI) plays a role in this resistance.</p><p><strong>Results: </strong>PTI can be triggered in tomato roots and stembases by an Rs hrpG<sup>-</sup> mutant and by the cell wall extract (PiCWE) from the root-infected beneficial fungus Piriformospora indica (Pi). Among tomato plants with varying resistance levels to Rs, BW-resistant (BW<sup>R</sup>) and moderate-resistant (BW<sup>MR</sup>) cultivars exhibited higher levels of root and stembase PTI in response to Rs hrpG<sup>-</sup> inoculation and PiCWE treatment than in BW-susceptible (BW<sup>S</sup>) cultivars. Additionally, BW<sup>R</sup> and BW<sup>MR</sup> cultivars showed enhanced leaf PTI after inoculation with a Pseudomonas syringae pv. tomato (Pst) hrcC<sup>-</sup> mutant. The BW<sup>R</sup> cultivar Hawaii 7996 (H7996) also demonstrated high tolerance to several leaf pathogens.</p><p><strong>Conclusions: </strong>Efficient systems for the analyses of PTI responses in tomato roots, stembases and leaves in response to patterns derived from root-infected pathogenic and beneficial microorganisms have been established. The levels of PTI in roots, stembases, and leaves are positively correlated with BW resistance in tomato plants. The BW<sup>R</sup> cultivar H7996 also shows tolerance to various leaf pathogens. This study reveals a significant correlation between tomato PTI and resistance to Rs, provides valuable insights into the nature of BW resistance, and offers critical information for tomato breeding.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"34"},"PeriodicalIF":3.4,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11599649/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142715418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-11-14DOI: 10.1186/s40529-024-00439-7
Carola Purgina, Friðgeir Grímsson, Silvia Ulrich
{"title":"Proximal aperture in Cephalanthera longifolia (L.) Fritsch (Orchidaceae) pollen: a rare germination site for angiosperms.","authors":"Carola Purgina, Friðgeir Grímsson, Silvia Ulrich","doi":"10.1186/s40529-024-00439-7","DOIUrl":"10.1186/s40529-024-00439-7","url":null,"abstract":"<p><p>The pollen dispersal unit of the epidendroid species, Cephalanthera longifolia, is a soft pollinium consisting of loosely connected tetrads that are agglutinated by elastoviscin. With scanning electron microscopy, the reticulate exine is visible on the outer pollen grains of outer tetrads of a pollinium. The pollen grains are mostly arranged in planar-tetragonal tetrads or decussate tetrads and easily disintegrate into monads. Contrary to the inaperturate pollen in members of subfamily Epidendroideae known so far, C. longifolia exhibits ulcerate pollen. When pollen grains are attached in tetrads within a pollinium the apertures are obscured, as they are located on the proximal side of the pollen grains. The ulcus can only be observed when tetrads disintegrate, freeing the monads and exposing the proximal side of pollen grains for investigation by light and scanning electron microscopy. Proximal aperture configurations are rare among angiosperms and currently known only from few other species of flowering plants. This is the first report of an ulcerate proximal aperture within Orchidaceae.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"33"},"PeriodicalIF":3.4,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11564583/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142615016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Plant-derived saponins and their prospective for cosmetic and personal care products.","authors":"Mayuree Kanlayavattanakul, Donia Mersni, Nattaya Lourith","doi":"10.1186/s40529-024-00438-8","DOIUrl":"10.1186/s40529-024-00438-8","url":null,"abstract":"<p><p>Plants are industrially cultivated and processed serving for specified sectors for human consumptions including cosmetic and personal care products. Where, the consumers' awareness towards sustainability are increasing year by year. Among which, those of the materials derived from the plants produced with good agricultural and manufacturing practices abided with bio-circular-green economy theme, are of eminence. This perspective is in line with the researchers' bioprospective onto natural products. Special attention sheds on saponins, the biosurfactants that will not cause detrimental effects on the environment. Which, plants are regarded as the sustainable sources of these cosmetic substances. However, among tremendous plants that have been continuously explored upon their potential applications. Most of the studies focus on preparation of the saponins and biological activities. Surprisingly, those that are abided with the list published in the European Commission (CosIng) that are of crucially for cosmetic regulation are insufficiently demonstrated, which burden their applications in the sector. This context summarizes the industrial crops that are registered as plant saponin in the CosIng database. Those that are insufficiently exploited on the information required for cosmetic formulations are therefore encouraged to be examined. In addition, multidirectional cosmetic beneficials of the filled plants saponin would be encouraged to be explored. These plants will be properly knowledge managed for their sustainable utilizations as the bio-based materials promising for cosmetic and personal care industrial perspectives.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"32"},"PeriodicalIF":3.4,"publicationDate":"2024-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11549071/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142603111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Identification of powdery mildew resistance quantitative trait loci in melon and development of resistant near-isogenic lines through marker-assisted backcrossing.","authors":"Chun-San Wang, Ssu-Yu Lin, Jin-Hsing Huang, Hsin-Yi Chang, Di-Kuan Lew, Yu-Hua Wang, Kae-Kang Hwu, Yung-Fen Huang","doi":"10.1186/s40529-024-00435-x","DOIUrl":"10.1186/s40529-024-00435-x","url":null,"abstract":"<p><strong>Background: </strong>Melon (Cucumis melo L.), an important cucurbit crop, faces production limitations due to powdery mildew (PM). Developing resistant varieties offers a sustainable, genetics-based alternative to chemical treatments. Therefore, identifying PM resistance quantitative trait loci (QTL) and creating trait-associated markers are essential for efficient melon PM resistance improvement through marker-assisted backcrossing (MABC).</p><p><strong>Results: </strong>Three F<sub>2</sub> populations, A6, B2, and C4, were generated for QTL mapping of PM resistance. Major QTL were identified on chromosome 2 in A6, chromosome 5 in B2, and chromosomes 5 and 12 in C4. A series of TaqMan® assays targeting regions on chromosomes 2, 5, and 12 were developed and validated for foreground and recombinant selection, complemented by the double digest restriction-site associated DNA genotyping system to evaluate the recurrent parent genome recovery. Three MABC programs using resistant donor parents from A6 and C4 crossed with elite susceptible recurrent parents with green and orange fruit flesh were implemented. After two to three cycles of MABC, individual QTL was successfully introgressed into elite genetic backgrounds, giving six PM resistance lines in each green- and orange-fleshed background. PM inoculation on the twelve near-isogenic lines confirmed their resistance to PM.</p><p><strong>Conclusions: </strong>We have identified major PM resistance QTL for melon on chromosomes 2, 5, and 12 and have introgressed individual QTL to elite genetic backgrounds using MABC in three and a half years. This study demonstrates the power of combining high-throughput genotyping with breeding efforts and showcases the efficiency of molecular breeding.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"31"},"PeriodicalIF":3.4,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11534953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-10-08DOI: 10.1186/s40529-024-00436-w
Pradeepkumara N, Chander Parkash, Reeta Bhatia, Anilabha Das Munshi, Mahesh Rao, Subhashree Subhasmita, Tusar Kanti Behera, Shyam Sundar Dey
{"title":"An efficient and easy-to-use protocol for induction of haploids in cucumber through parthenogenic embryo development.","authors":"Pradeepkumara N, Chander Parkash, Reeta Bhatia, Anilabha Das Munshi, Mahesh Rao, Subhashree Subhasmita, Tusar Kanti Behera, Shyam Sundar Dey","doi":"10.1186/s40529-024-00436-w","DOIUrl":"10.1186/s40529-024-00436-w","url":null,"abstract":"<p><strong>Background: </strong>Cucumber (Cucumis sativus L.) is a model crop to study cell biology, including the development of haploids and doubled haploids in vegetable crops. In plant breeding, haploid and doubled haploids are valuable tools for developing pure homozygous inbred lines and accelerating genetic progress by reducing the time required for breeding cycles. Besides, the haploids are also valuable in genomic studies. We are reporting the induction of haploids in cucumber involving gynoecious and parthenocarpic genotypes for the first time. This study aimed to assess the efficient induction of haploids through pollination with gamma-irradiated pollen in cucumber. The effect of gamma irradiation dose on pollen viability and germination, fruit setting percentage, seed development, and haploid embryo development in cucumber hybrid genotypes were studied in detail. The goal was to utilize this information to produce haploid plants for genomics and transformation works in this model vegetable crop.</p><p><strong>Results: </strong>Pollination was done on six cucumber genotypes using varying doses of gamma rays (100, 200, 300, 400, and 500 Gy). Genotypes, doses of irradiation, and embryo developmental stage influenced the successful generation of in-vitro haploid plants. The optimal timeframe for embryo rescue was found to be 25 to 30 days after pollination. Haploid embryos were effectively induced using irradiated pollen at 400 to 500 Gy doses. Parthenogenetic plantlets were analyzed, and their ploidy level was confirmed through stomatal physiology, cytology (mitosis), and flow cytometry methods.</p><p><strong>Conclusion: </strong>Through parthenogenic embryo development, it is possible to induce a large number of haploids in cucumber. This technique's power lies in its ability to streamline the breeding process, enhance genetic gain, and produce superior cultivars that contribute to sustainable agriculture and food security.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"30"},"PeriodicalIF":3.4,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11461365/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142388043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-09-29DOI: 10.1186/s40529-024-00437-9
Pavol Prokop, Kristián Tučník, Zuzana Provazník, Zuzana Čiamporová-Zaťovičová, Fedor Čiampor
{"title":"Pollinator behaviour and prevalence of the anther smut Antherospora vindobonensis in its host, the Hungarian two-leaf squill (Scilla vindobonensis).","authors":"Pavol Prokop, Kristián Tučník, Zuzana Provazník, Zuzana Čiamporová-Zaťovičová, Fedor Čiampor","doi":"10.1186/s40529-024-00437-9","DOIUrl":"10.1186/s40529-024-00437-9","url":null,"abstract":"<p><p>Anther smuts are fungal diseases that have detrimental effects on the biology of their host plants. We investigated the transmission of Anther smut Antherospora vindobonensis to its host, Scilla vindobonensis under natural and laboratory conditions. Plants flowering early in spring were less vulnerable to disease (∼ 20-30% of plants which appeared early in the season were diseased) than flowers that bloom at the end of the season (∼ 60% of plants which appeared late in the season were diseased) which contradicts the patterns observed for other anther smuts species. Diseased plants showed thicker stems, lower nectar production and smaller flower radius than healthy plants. The disease prevalence in S. vindobonensis was not influenced by plant density. The production of spores in diseased flowers was 125 times higher than the production of pollen in healthy flowers. The number of pollen grains attached to pollinator bodies from healthy plants under controlled conditions was similar to the number of spores attached from diseased plants. Experienced honeybees in the field showed almost identical preferences for healthy plants (65%) over diseased ones, as did naïve bumblebees under controlled laboratory conditions (69%). eDNA metabarcoding revealed that healthy flowers attracted a significantly higher number of arthropod species (M = 6.23, SE = 1.48) than diseased flowers (M = 2.32, SE = 0.31). Strong seasonal differences in the risk of infection suggest that S. vindobonensis solves the trade-off between low pollinator availability and low risk of infection at the beginning of the season and high risk of infection and high pollinator availability at the end of season. By reproducing early in the season, plants can reduce the risk of disease.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"29"},"PeriodicalIF":3.4,"publicationDate":"2024-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11439859/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142341810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Botanical StudiesPub Date : 2024-09-23DOI: 10.1186/s40529-024-00434-y
Salma N Eladl, Aya M Elnabawy, Eladl G Eltanahy
{"title":"Recent biotechnological applications of value-added bioactive compounds from microalgae and seaweeds.","authors":"Salma N Eladl, Aya M Elnabawy, Eladl G Eltanahy","doi":"10.1186/s40529-024-00434-y","DOIUrl":"10.1186/s40529-024-00434-y","url":null,"abstract":"<p><p>Microalgae and seaweed have been consumed as food for several decades to combat starvation and food shortages worldwide. The most famous edible microalgae species are Nostoc, Spirulina, and Aphanizomenon, in addition to seaweeds, which are used in traditional medicine and food, such as Nori, which is one of the most popular foods containing Pyropia alga as a major ingredient. Recently, many applications use algae-derived polysaccharides such as agar, alginate, carrageenan, cellulose, fucoidan, mannan, laminarin, ulvan, and xylan as gelling agents in food, pharmaceuticals, and cosmetics industries. Moreover, pigments (carotenoids particularly astaxanthins, chlorophylls, and phycobilins), minerals, vitamins, polyunsaturated fatty acids, peptides, proteins, polyphenols, and diterpenes compounds are accumulated under specific cultivation and stress conditions in the algal cells to be harvested and their biomass used as a feedstock for the relevant industries and applications. No less critical is the use of algae in bioremediation, thus contributing significantly to environmental sustainability.This review will explore and discuss the various applications of microalgae and seaweeds, emphasising their role in bioremediation, recent products with algal added-value compounds that are now on the market, and novel under-developing applications such as bioplastics and nanoparticle production. Nonetheless, special attention is also drawn towards the limitations of these applications and the technologies applied, and how they may be overcome.</p>","PeriodicalId":9185,"journal":{"name":"Botanical Studies","volume":"65 1","pages":"28"},"PeriodicalIF":3.4,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11420431/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142280332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}