BMC Plant Biology最新文献

{"title":"Genome-wide analysis of the cotton COBRA-like gene family and functional characterization of GhCOBL22 in relation to drought tolerance.","authors":"Wan-Wan Fu, Zi-Yu Wang, Yun-Hao Liusui, Xin Zhang, Ai-Xia Han, Xing-Yue Zhong, Jing-Bo Zhang, Yan-Jun Guo","doi":"10.1186/s12870-024-05965-x","DOIUrl":"https://doi.org/10.1186/s12870-024-05965-x","url":null,"abstract":"<p><strong>Background: </strong>The COBRA-like (COBL) gene family is a crucial glycosylphosphatidylinositol (GPI)-anchored proteins that participate in various biological processes in plants by regulating the arrangement of cell wall microfibrils. While the functions of COBL genes have been analyzed in several plant species, their roles in cotton's response to abiotic stress remain unexplored.</p><p><strong>Results: </strong>This study identified and characterized the COBL gene family in Gossypium hirsutum, revealing a total of 39 COBL family members classified into five subgroups. Transcriptome analysis indicated that the transcription levels of several GhCOBL genes were upregulated following PEG treatment, with GhCOBL22 being significantly induced. Further silencing of the GhCOBL22 gene through virus-induced gene silencing (VIGS) technology demonstrated that this gene's silencing reduced cotton's drought stress tolerance. Under drought stress conditions, the activities of superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) enzymes, along with proline (PRO) content, were lower in GhCOBL22-silenced plants compared to control plants, while the accumulation of malondialdehyde (MDA) was significantly higher. Moreover, silencing the GhCOBL22 gene also led to reductions in the levels of cellulose, hemicellulose, and lignin content in cotton leaves.</p><p><strong>Conclusion: </strong>A systematic survey of gene structure, motif composition, and evolutionary relationships of the COBL gene family was conducted in Gossypium hirsutum. Subsequent expression and functional studies indicated that GhCOBL22 plays a significant role in cotton's drought tolerance. These findings enhance our understanding of the biological functions of the COBL family and highlight the critical role of the GhCOBL22 gene in cotton's response to drought stress.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1242"},"PeriodicalIF":4.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142881343","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}

{"title":"Phlomoides rotata adapts to low-nitrogen environments by promoting root growth and increasing root organic acid exudate.","authors":"Jielin Zhang, Guopeng Chen, Yuan Li, Jie Zhang, Liwen Zhong, Ling Li, Shihong Zhong, Rui Gu","doi":"10.1186/s12870-024-05962-0","DOIUrl":"https://doi.org/10.1186/s12870-024-05962-0","url":null,"abstract":"<p><p>Nitrogen (N) is one of the three major elements required for plant growth and development. It is of great significance to study the effects of different nitrogen application levels on the growth and root exudates of Phlomoides rotata, and can provide a theoretical basis for its scientific application of fertilizer to increase production. In this study, Phlomoides rotata were grown under different nitrogen conditions for two months. Soil and plant analyzer development (SPAD) values, bioaccumulation, root morphology, root exudate composition, nitrogen metabolism enzyme and antioxidant enzyme activity were evaluated. The results showed that compared with CK (no N fertilizer), N2 (CO(NH₂)₂ 80 mg/kg) and N3 (CO(NH₂)₂ 160 mg/kg) through significantly improved the activities of nitrogen metabolism enzyme nitrite reductase (NiR), glutamate dehydrogenase (GDH) and glutamine synthetase (GS), enhanced the nitrogen metabolism process, and increased the accumulation of plant soluble sugars (SS) and soluble protein (SP), thus improving Phlomoides rotata biomass yield. After 60 days of treatment, low nitrogen (N₁, CO(NH₂)₂ 40 mg/kg) increased root length, root volume, root surface area, average root diameter, significantly increased the diversity of organic acids in root exudates, and enhanced the activity of antioxidant enzymes to adapt the nitrogen deficiency environment. This study can provide new ideas for understanding the mechanism of nitrogen tolerance in Phlomoides rotata and developing scientific fertilization management strategies for plateau plants and medicinal plants.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1234"},"PeriodicalIF":4.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875886","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}

{"title":"Safflower CtFT genes orchestrating flowering time and flavonoid biosynthesis.","authors":"Zhiling Li, Lili Yu, Abdul Wakeel Umar, Jiaruo Wang, Jian Zhang, Nan Wang, Min Zhang, Na Yao, Naveed Ahmad, Xiuming Liu","doi":"10.1186/s12870-024-05943-3","DOIUrl":"https://doi.org/10.1186/s12870-024-05943-3","url":null,"abstract":"<p><strong>Background: </strong>Safflower thrives in dry environments but faces difficulties with flowering in wet and rainy summers. Flavonoids play a role in flower development and can potentially alleviate these challenges. Furthermore, the FLOWERING LOCUS T (FT) family of phosphatidylethanolamine-binding protein (PEBP) genes play a crucial role in the photoperiodic flowering pathway. However, their direct impact on flowering and flavonoid biosynthesis under different light duration is elusive.</p><p><strong>Results: </strong>Utilizing the genome sequencing of Safflower (Jihong NO.1), the current study identifies three specific genes (CtFT1, CtFT2, and CtFT3) that exhibit upregulation in response to long-day conditions. The overexpression of CtFT2, displayed an early, whereas CtFT1 and CtFT3 late flowering phenotype in Arabidopsis thaliana. Interestingly, the transient overexpression of CtFT1 in safflower leaves caused early flowering, while overexpressing CtFT2 and CtFT3 led to late flowering. Additionally, overexpressing CtFT3 in Arabidopsis and CtFT1, CtFT2, and CtFT3 in safflower leaves, significantly increased flavonoid synthesis.</p><p><strong>Conclusions: </strong>These findings showed that overexpression of CtFT genes could affect the flowering time and significantly increase the flavonoid content of safflower. The function of CtFT gene is different in safflower and Arabidopsis. This study provides valuable insights into the role of CtFT genes in flower formation and flavonoid synthesis in safflower, which may help in improving safflower breeding quality and its adaptability to diverse environmental conditions.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1232"},"PeriodicalIF":4.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875900","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}

{"title":"Genetic relationship analysis and core collection construction of Eucalyptus grandis from Dongmen improved variety base: the largest eucalypt germplasm resource in China.","authors":"Chenhe Li, Lei Zhang, Zhibang Peng, Xia Li, Zhao Liu, Te Lu, Xiangyang Kang, Jun Yang","doi":"10.1186/s12870-024-05970-0","DOIUrl":"https://doi.org/10.1186/s12870-024-05970-0","url":null,"abstract":"<p><strong>Background: </strong>Eucalyptus grandis, which was first comprehensively and systematically introduced to China in the 1980s, is one of the most important fast-growing tree species in the forestry industry. However, to date, no core collection has been selected from the germplasm resources of E. grandis based on growth and genetic relationship analysis.</p><p><strong>Results: </strong>In the present study, 545 individuals of E. grandis collected from 28 populations across 5 countries were selected for genetic diversity analysis using 16 selected SSR markers. The polymorphism information content (PIC) was employed to assess genetic diversity, yielding a mean value of 0.707. Genetic structure analysis was conducted on 492 individuals from 13 combined populations, revealing three clusters as the most suitable number. Principal coordinate analysis (PCoA) demonstrated that the populations were divided into three major clusters. Additionally, the analysis of molecular variance (AMOVA) indicated that the majority of variation occurred within populations.</p><p><strong>Conclusions: </strong>Based on the criteria for screening the core collection, we constructed a population consisting of 158 individuals and created unique fingerprinting codes. These results provide a crucial theoretical foundation for the protection and utilization of germplasm resources of E. grandis in China, which will be helpful in the selection of genetically distant parents for future multigenerational hybridization programs.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1240"},"PeriodicalIF":4.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142881340","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}

{"title":"Effects of seasonal climates and MIPS1 mutations on soybean germination through multi-omics analysis.","authors":"Huakun Yu, Longming Zhu, Yuhao Chen, Ping Deng, Bei Liu, Xiaochao Chen, Fengjie Yuan","doi":"10.1186/s12870-024-05957-x","DOIUrl":"https://doi.org/10.1186/s12870-024-05957-x","url":null,"abstract":"<p><p>This study delves into the combined effects of seasonal climate variations and MIPS1 gene mutations on the germination rates of soybean cultivars TW-1 and TW75. Through comprehensive metabolomic and transcriptomic analyses, we identified key KEGG pathways significantly affected by these factors, including starch and sucrose metabolism, lipid metabolism, and amino acid biosynthesis. These pathways were notably disrupted during the spring, leading to an imbalance in metabolic reserves critical for seedling development. Additionally, MIPS1 gene mutations further altered these pathways, exacerbating the metabolic disturbances. Our results underscore the intricate network of environmental and genetic interactions influencing soybean seed vigor and underscore the importance of understanding these pathways to enhance agricultural resilience and seed quality in fluctuating climates.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1231"},"PeriodicalIF":4.3,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142875875","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}

{"title":"Comparative assessment of morphological, cytological, and photosynthetic characteristics of the induced octoploid and its tetraploid counterpart of Celosia argentea L.","authors":"Rohit Bharati, Yamen Homaidan Shmeit, Jana Hanzal Šedivá, Tomáš Thanh Nguyen Cong, Jiban Kumar Kundu, Lucie Severová, Roman Svoboda, Eloy Fernández-Cusimamani","doi":"10.1186/s12870-024-05973-x","DOIUrl":"https://doi.org/10.1186/s12870-024-05973-x","url":null,"abstract":"<p><strong>Background: </strong>Celosia argentea is a widely recognized plant for its ornamental qualities and therapeutic uses in traditional medicine. As demand for such multipurpose plants grows, enhancing its phenotypic and physiological traits could further expand its commercial potential. Polyploidization, particularly through chemical treatments like oryzalin, offers a method to induce genetic variation and potentially improve desirable traits in plants.</p><p><strong>Results: </strong>Tetraploid (2n = 4×= 36) nodal segments of C. argentea were treated with oryzalin under in vitro conditions, resulting in successful induction of octoploidy (2n = 8×= 72). Flow cytometry and chromosome counting confirmed polyploidization, with the highest induction rate achieved using 40 µM oryzalin for 24 h. Comparative analyses between octoploid and tetraploid plants revealed significant differences in morphological traits, including increased stem and leaf thickness, larger leaf area, inflorescence characteristics and more compact growth in the octoploids. Additionally, octoploids exhibited enhanced chlorophyll content and altered photosynthetic characteristics, along with notable changes in stomatal size and density. Ploidy stability was maintained across generations, ensuring the heritability of the induced traits.</p><p><strong>Conclusions: </strong>In vitro polyploidization in C. argentea led to significant phenotypic and physiological improvements, demonstrating its potential for application in ornamental horticulture and plant breeding. This research contributes to the understanding of the impact of in vitro polyploidization on plant development, offering insights for the commercial cultivation and enhancement of C. argentea.</p><p><strong>Clinical trial number: </strong>Not applicable.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1227"},"PeriodicalIF":4.3,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142871266","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}

{"title":"Single- and multi-locus genome-wide association study reveals genomic regions of thirteen yield-related traits in common wheat.","authors":"Yuxia Lv, Liansheng Dong, Xiatong Wang, Linhong Shen, Wenbo Lu, Fan Si, Yaoyao Zhao, Guanju Zhu, Yiting Ding, Shujun Cao, Jiajia Cao, Jie Lu, Chuanxi Ma, Cheng Chang, Haiping Zhang","doi":"10.1186/s12870-024-05956-y","DOIUrl":"https://doi.org/10.1186/s12870-024-05956-y","url":null,"abstract":"<p><p>Genetic dissection of yield-related traits can be used to improve wheat yield through molecular design breeding. In this study, we genotyped 245 wheat varieties and measured 13 yield-related plant height-, grain-, and spike-related traits, in seven environments, and identified 778 loci for these traits by genome-wide association study (GWAS) using single- and multi-locus models. Among these loci, nine were major, of which seven were novel, including Qph/lph.ahau-7A for plant height (PH) and leaf pillow height (LPH), Qngps/sps.ahau-1A for number of grains per spike (NGPS) and spikelet number per spike (SPS), Qsd.ahau-2B.1 and Qsd.ahau-5A.2 for spikelet density (SD), Qlph.ahau-7B.2 for LPH, Qgl.ahau-7B.3 for grain length (GL), and Qsl.ahau-3A.3 for spike length (SL). Through marker development, re-GWAS, gene annotation and cloning, and sequence variation, haplotype, and expression analyses, we confirmed two novel major loci and identified potential candidate genes, TraesCS7A02G118000 (named TaF-box-7A) and TraesCS1A02G190200 (named TaBSK2-1A) underlying Qph/lph.ahau-7A for PH-related traits and Qngps/sps.ahau-1A for spike-related traits. We also reported two favorable haplotypes, including TaF-box-Hap1 associated with low PH and LPH and TaBSK2-Hap3 associated with high NGPS and SPS. In summary, these findings can be applied to improve wheat yield and enrich our understanding of the complex genetic mechanisms of yield-related traits.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1228"},"PeriodicalIF":4.3,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142871419","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}

{"title":"Waterhemp emergence response to exogenous application of gibberellic and abscisic acids.","authors":"Rodrigo Werle, Jose J Nunes, Nicholas J Arneson, Ahmadreza Mobli","doi":"10.1186/s12870-024-05940-6","DOIUrl":"https://doi.org/10.1186/s12870-024-05940-6","url":null,"abstract":"<p><strong>Background: </strong>The exogenous application of phytohormones to manipulate weed seed germination and emergence is a potential avenue for exploring alternative integrated weed management strategies. Greenhouse and field experiments were conducted to investigate the effects of exogenous applications of the phytohormones gibberellic acid (GA3) and abscisic acid (ABA) on waterhemp (Amaranthus tuberculatus [Moq.]) emergence.</p><p><strong>Results: </strong>In the greenhouse study, all waterhemp populations in sandy soil and three out of five populations in clay soil demonstrated a positive response to increased GA3; however, the response was small, leading to an increase in waterhemp emergence of up to 10% points, and weak (R²_adj < 0.3). Only one population exhibited a small (up to 10 points) and weak (R²_adj = 0.1) reduction in emergence in response to increased ABA in clay soil. The field studies demonstrated no differences in waterhemp and soybean emergence in response to application of GA3 and ABA.</p><p><strong>Conclusions: </strong>Despite the low to absent efficacy of the exogenous application of GA3 and ABA in manipulating waterhemp emergence in these experiments, our findings provide foundation information for future research on this concept, particularly supporting further research investing the use of GA3 in lighter textured soils.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1230"},"PeriodicalIF":4.3,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142871425","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}

{"title":"Exogenous salicylic acid reduces cadmium content in spinach (Spinacia oleracea L.) shoots under cadmium stress.","authors":"Wen Tang, Le Liang, Haixing Yang, Xuena Yu, Xudong Ye, Yongdong Xie, Rulong Li, Lijin Lin, Zhi Huang, Bo Sun, Guochao Sun, Li Liu, Huanxiu Li, Yi Tang","doi":"10.1186/s12870-024-05948-y","DOIUrl":"https://doi.org/10.1186/s12870-024-05948-y","url":null,"abstract":"<p><strong>Background: </strong>Consumption of leafy vegetables is a primary route of cadmium (Cd) exposure in the human body. Salicylic acid (SA) is a major stress signaling molecule that alleviates Cd toxicity in various plants. Our study aimed to investigate the effects of different SA concentrations on spinach growth, cadmium accumulation, and stress resistance physiology under cadmium stress (50 µmol/L).</p><p><strong>Results: </strong>Cd stress significantly markedly decreased spinach growth and biomass, reduced its photosynthetic efficiency, increased activities of antioxidative enzymes, and upregulated the relative expression of several genes involved in cadmium absorption and transport compared to the control. The exogenous application of SA mitigated the harmful effects of Cd in spinach. 0.8 and 1.6 mmol/L SA significantly increased spinach root length, plant height, and biomass and decreased the Cd content in shoots by 30.03 and 17.35% compared to the Cd-treated group. Moreover, SA alleviated the yellowing of leaves caused by Cd stress. Exogenous SA ameliorated Cd toxicity in spinach by reducing reactive oxygen species, malondialdehyde, proline, and soluble protein levels. Exogenous SA application reduced Cd absorption in spinach leaves by downregulating the expression of genes involved in Cd transport, such as SoHMA4-like, SoNramp3.1-like, SoNramp6-like, and SoNramp7.2-like. Principal component analysis and correlation analysis showed that exogenous SA application under Cd stress was correlated with plant Cd content, photosynthetic pigment content, and relative expression of Cd absorption and transportation-related genes.</p><p><strong>Conclusions: </strong>To summarize, these findings indicate that SA mitigates Cd toxicity in spinach by reversing the adverse effects of Cd stress on plant growth and reducing Cd accumulation in the shoots.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1226"},"PeriodicalIF":4.3,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142871341","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}

{"title":"Enhanced antioxidant activity improves deep-sowing tolerance in maize.","authors":"Mingfei Sun, Menglin Pu, Guangming Zheng, Ziang Tian, Mingyue Zhang, Xiaofei He, Yajie Zhao, Xiangyu Zhao, Xiansheng Zhang, Xuerong Yang, Hongjun Liu, Chao Zhou","doi":"10.1186/s12870-024-05994-6","DOIUrl":"https://doi.org/10.1186/s12870-024-05994-6","url":null,"abstract":"<p><strong>Background: </strong>Deep sowing has emerged as a vital agricultural strategy, particularly in arid and semi-arid regions, as it allows seeds to access water stored in deeper soil layers. This approach facilitates successful germination and establishment of crops, even in challenging environmental conditions. Previous studies have shown that the length of the maize mesocotyl is an important trait influencing deep-sowing tolerance. Several factors play a crucial role in regulating mesocotyl elongation, primarily including light, hormones, metabolites, and reactive oxygen species (ROS). Therefore, further understanding the regulatory mechanisms of mesocotyl elongation is essential for enhancing maize germination and growth under deep sowing conditions.</p><p><strong>Results: </strong>In this study, we identified a deep sowing-tolerant inbred line, DH65232, which showed significantly increased mesocotyl length compared to B73 under deep sowing conditions. Transcriptome analysis revealed that differentially expressed genes in the mesocotyl of the two inbred lines were mainly enriched in three pathways: hormone regulation, intermediate metabolites, and redox enzymes. Measurements of hormone content and phenotypic analysis following GA3 treatment indicated that GA3 plays a positive role in promoting mesocotyl elongation under deep-sowing stress in the inbred line DH65232. Additionally, untargeted metabolomics revealed that DH65232 exhibited a higher number of differential metabolites related to antioxidant pathway under deep-sowing stress compared to normal sowing. In deep sowing conditions, the determination of POD, CAT, SOD activities, and MDA content in the mesocotyl of B73 and DH65232 shows that DH65232 has a stronger ability to scavenge ROS.</p><p><strong>Conclusions: </strong>Above all, the inbred line DH65232 exhibits a greater tolerance to deep sowing due to its stronger antioxidant activity. Our study has contributed to a deeper understanding of the complex tolerance mechanisms in maize and provided new insights for the development of new maize varieties under deep sowing conditions.</p>","PeriodicalId":9198,"journal":{"name":"BMC Plant Biology","volume":"24 1","pages":"1229"},"PeriodicalIF":4.3,"publicationDate":"2024-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142871338","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}