Acta Physiologiae Plantarum最新文献

{"title":"Allelopathic effect of pyrogallol on the seed germination of Lolium perenne","authors":"Huitong Sang,&nbsp;Xia Zhang,&nbsp;Hongyan Hao,&nbsp;Haiyun Li","doi":"10.1007/s11738-024-03744-7","DOIUrl":"10.1007/s11738-024-03744-7","url":null,"abstract":"<div><p>Many phenolics are known to possess allelopathic activity, but the allelopathic effect of pyrogallol has not been previously reported. Here, the present experiment was conducted to investigate the effects of commercially obtained pyrogallol at different concentrations on the seed germination and seedling growth of <i>L. perenne</i>. The results showed that (1) Pyrogallol treatment inhibited <i>L. perenne</i> seed germination, as evidenced by a decrease in the final germination rate and a delay in germination peaks. (2) Pyrogallol treatment reduced <i>L. perenne</i> plumule length, radicle length, fine root length, and fine root surface area, higher pyrogallol concentrations reduced the proportion of fine roots. (3) Higher concentrations (2.00 g/L) of pyrogallol resulted in decreased protein content and increased membrane lipid peroxidation. (4) Spraying pyrogallol inhibited the growth of <i>L. perenne</i> seedlings, as manifested by a decrease in plant height and biomass. Overall, our findings indicate that pyrogallol is one of the allelochemicals present in aqueous extracts of <i>K. integrifoliola</i> leaves that inhibits the seed germination and seedling growth of <i>L. perenne</i>.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 12","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Role of important physiological traits and development of heat tolerance index in a large set of diverse cucumber germplasm","authors":"Dhananjay A. Hongal,&nbsp;A. D. Munshi,&nbsp;Akshay Talukdar,&nbsp;Anjan Das,&nbsp;N. Pradeepkumara,&nbsp;M. Karthik Kumar,&nbsp;Jyoti Kumari,&nbsp;Viswanathan Chinnusamy,&nbsp;J. K. Ranjan,&nbsp;T. K. Behera,&nbsp;S. S. Dey","doi":"10.1007/s11738-024-03739-4","DOIUrl":"10.1007/s11738-024-03739-4","url":null,"abstract":"<div><p>Cucumber is an important vegetable crop that suffers from significant yield loss because of sub-optimal temperatures during the growing season. High temperature affects the plant's health and reduces the quality and quantity of the final harvest. Huge diversity in terms of different economically important traits, including wide temperature adaptation, is recorded in indigenous cucumber germplasm because of its Indian origin. It is necessary to identify the key traits and genotypes with the contrasting response from a large set of germplasm associated with heat stress response for understanding the physio-biochemical and molecular network associated with heat tolerance. A set of 123 germplasm was evaluated in a growth chamber with temperature stress treatment (40 °C/35 °C) for two subsequent seasons. Besides, 10 selected genotypes based on their response in the seedling stage were grown under natural field conditions with high temperatures to validate the physio-biochemical response in the seedling stage and yield parameters in the reproductive stage. Among the different parameters, slow degradation of chlorophyll, higher anti-oxidant enzyme activity, higher membrane stability index, and higher canopy temperature depression were identified as key traits explaining the heat stress response in cucumbers. Besides, the photosynthetic activities of the tolerant genotypes at the reproductive stage were also higher under field conditions, resulting in higher economic yield. Heat tolerance index was developed for 123 genotypes for seven physiological traits recorded in the present study. The optimised screening technique in the seedling stage and their validation for yield response under natural field facilitated the evaluation of a large number of genotypes for use in breeding for heat stress tolerance in cucumbers. Besides, the identified germplasm, WBC-13, DGC-103 and DARL-106 with effective heat stress tolerance will be instrumental in understanding the molecular basis of heat tolerance and designing climate-smart cucumber cultivars.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 12","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142636860","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Seed germination ecophysiology and conservation of three endemic Arabis species (Brassicaceae) of Cyprus","authors":"Marios Andreou,&nbsp;Emily Panayiotou,&nbsp;Demetra Paraskeva-Hadjichambi,&nbsp;Costas Kadis,&nbsp;Kyriacos Georghiou","doi":"10.1007/s11738-024-03735-8","DOIUrl":"10.1007/s11738-024-03735-8","url":null,"abstract":"<div><p>This paper presents data on the seed germination ecophysiology of three Arabis species endemic to Cyprus: <i>Arabis cypria, Arabis kennedyae</i> and <i>Arabis purpurea</i>. Final seed germination in the dark, as a function of temperature, presented different responses among species and among seed lots of the same species. Different degrees of seed dormancy were also identified among different seed lots. In all cases, maximum final germination was achieved between 10–20 °C. Red light irradiation is the most efficient treatment for dormancy breakage in all three species, which implies phytochrome control of seed germination. As a result, seed germination in nature is expected to take place on the soil surface and not under canopy cover. The small seed size, the light requirement for germination and the variable germination patterns among different seed lots of the three studied species imply the formation of soil seed banks, perhaps as an essential part of their survival strategy. The value of the data presented in this paper is discussed in relation to the ex-situ conservation of the studied species.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142573714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact analysis of ethylene antagonists, storage environments and storage periods on postharvest physiology of ‘Cripps Pink’ apple fruit","authors":"Vijay Yadav Tokala,&nbsp;Eben Afrifa-Yamoah,&nbsp;Zora Singh","doi":"10.1007/s11738-024-03729-6","DOIUrl":"10.1007/s11738-024-03729-6","url":null,"abstract":"<div><p>Ethylene management and manipulating storage conditions are crucial elements that impact the postharvest quality of apple fruit. This study demonstrated the optimal approach for preserving the quality of ‘Cripps Pink’ apple fruit during storage by minimizing ethylene production and action, respiration rate, physiological loss of weight (PLW), and textural changes. Ethylene antagonist treatment had the greatest impact on suppressing ethylene and respiration peaks, while storage duration notably influenced fruit firmness and PLW. Fumigation treatment with 1-methylcyclopropene (MCP), 1<i>H</i>-cyclopropabenzene (BC), and 1<i>H</i>-cyclopropa[<i>b</i>]naphthalene (NC) effectively reduced ethylene and respiration peaks. Storage conditions (cold, controlled atmosphere, and photocatalytic oxidation) affected ethylene production and respiration, with ozonized storage showing higher rates. Prolonged storage led to increased PLW, ethylene production, and decreased fruit firmness. The most effective treatment combination for ethylene action antagonism and maintaining fruit quality was MCP treatment in ozonized cold storage for 120 d.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s11738-024-03729-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142540761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of water stress on chlorophyll fluorescence and growth of Rorippa amphibia: a well-adjusted invasive plant in China","authors":"Kaihua Zhou,&nbsp;Suolong Wu,&nbsp;Jiehan Ke,&nbsp;Jiaxiao Wang,&nbsp;Yan Wang","doi":"10.1007/s11738-024-03722-z","DOIUrl":"10.1007/s11738-024-03722-z","url":null,"abstract":"<div><p>Studying photosynthetic and growth-related characteristics of invasive plants under water stress is an important way to reveal their biological invasiveness. <i>Rorippa amphibia</i> native to Europe has invaded extensively the Liaoning Province, China, in recent years. <i>Rorippa amphibia</i> was cultured under waterlogging (flooded 2 cm over the soil surface), wet (25 ~ 30%, which means the soil water content corresponding to this treatment is 25 ~ 30% and the same goes for the following), CK (15 ~ 20%), or drought (5 ~ 10%) conditions in Shenyang for 1 month. Afterward, the chlorophyll fluorescence and growth indexes were measured. The results showed that in drought treatment, the V_J, V_K, M₀, Sm, φDo and DI₀/RC were significantly higher than CK, while Fm, Fv/Fo, Ψo, φPo and PI_ABS declined significantly. In waterlogging treatment, only V_J increased significantly and Fm, Ψo, φEo, ET₀/RC and PI_ABS decreased significantly. However, no significant difference between wet treatment and CK was found in chlorophyll fluorescence. Waterlogging, wet and CK treatments were conducive to <i>Rorippa amphibia</i> growth, while drought treatment harmed its growth. But some growth indexes including total leaf number and fresh and dry weight per leaf were higher than CK and root length, and fresh and dry weight of underground part and root-weight ratio increased with the decrease of soil water gradients. <i>Rorippa amphibia</i> showed a good performance under waterlogging and wet conditions, and it could also adapt to drought stress by adjustment of biomass allocation between the aboveground and underground parts. This may be the mechanism by which <i>Rorippa amphibia</i> successfully invades different habitats.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transcriptome analysis of color-related gene expression in three differently colored cherry tomato fruits","authors":"Jian Zhang,&nbsp;Zhen Tao,&nbsp;Rui Xia","doi":"10.1007/s11738-024-03732-x","DOIUrl":"10.1007/s11738-024-03732-x","url":null,"abstract":"<div><p>Tomato (<i>Lycopersicon esculentum</i> Mill.) is a globally important fruit. However, the gene expression in differently colored cherry tomato fruits is not well understood. In this study, three typical cherry tomato fruit colors (yellow, green, and red) were selected to explore genes related to color transformation through transcriptome analysis. The results showed that the soluble solid content was highest in the yellow fruits (5.5%), followed by the green and red fruits at 4.9 and 4.5%, respectively. A total of 1547 genes were upregulated and 2752 genes were downregulated in the yellow fruits compared with the green fruits; further, 913 genes were upregulated and 1863 genes were downregulated in the yellow fruits compared with the red fruits. The most upregulated pathways obtained through Kyoto Encyclopedia of Genes and Genomes analysis included photosynthesis, glutathione metabolism, and flavonoid biosynthesis in the yellow fruits compared with the red fruits. Our observations suggest that the three cherry tomato fruits utilize different pathways in color determination. The genes <i>LOC101257857</i> and <i>LOC101253805</i> were upregulated in the yellow fruits, while <i>LOC101246495</i>, <i>LOC101248036</i>, and <i>LOC101260960</i> were upregulated in the green fruits. This work contributes to the understanding of the gene expression and pathways in fruit color change, providing new insights into improving the quality of cherry tomato fruits.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hormonal, biochemical, and genetic regulations of walnut fruit development and ripening: an integrated perspective","authors":"Pankaj Kumar,&nbsp;Sidharth Sharma,&nbsp;Shagun Sharma,&nbsp;Pramod Verma,&nbsp;Mohammad Irfan","doi":"10.1007/s11738-024-03730-z","DOIUrl":"10.1007/s11738-024-03730-z","url":null,"abstract":"<div><p>Walnut (<i>Juglans </i>spp.) trees hold immense significance in both economic and ecological contexts within agri-horticultural ecosystems. The comprehension of the intricate mechanisms underpinning walnut growth and development stands as a pivotal endeavor, essential for advancing sustainable yield practices. This comprehensive review delves into the multifaceted factors that contribute to the growth and development of walnuts, encompassing hormonal, biochemical, and genetic dimensions. Notably, hormones such as gibberellic acids (GAs) and sugars assume pivotal roles in the initiation and maturation of walnut flowers, with specific investigations demonstrating that the application of GAs has the capacity to augment male flower counts. The levels of endogenous auxins and gibberellins exhibit variations across distinct phases of walnut development, with the highest concentrations observed in young tissues. The molecular underpinnings of walnut growth and development involve a complex interplay of genetic regulation, hormonal dynamics, and environmental factors. Distinct sets of genes exhibit activation at discrete developmental stages, thereby influencing fundamental processes such as cell division, differentiation, and food reserve metabolism. Several key regulatory genes, including <i>ACC, ASMT, SAD, FAD, SOC,</i> and <i>TFL1,</i> emerge as pivotal orchestrators, steering essential processes encompassing cell division, differentiation, flowering, and fruit development. Conclusively, this article provides a detailed exploration of the diverse aspects of walnut growth and development, from genetic regulation to hormonal and biochemical processes. This will provide a valuable resource for researchers, horticulturalists, and biotechnologists aiming to improve walnut productivity and resilience in the face of changing environmental conditions.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Untangling the influence of biotic and abiotic factors on the elevational variation of plant intrinsic water-use efficiency and nitrogen availability in an alpine-gorge region on the eastern Qinghai-Tibetan Plateau","authors":"Jian Chen,&nbsp;Miao Chen,&nbsp;Shun Liu,&nbsp;Hongshuang Xing,&nbsp;Feifan Li,&nbsp;Gexi Xu,&nbsp;Zuomin Shi","doi":"10.1007/s11738-024-03731-y","DOIUrl":"10.1007/s11738-024-03731-y","url":null,"abstract":"<div><p>Despite the sensitivity to climate change in the alpine-gorge region on the eastern Qinghai-Tibetan Plateau, comprehensive information on the elevational variation patterns of plant intrinsic water use efficiency (iWUE) and plant nitrogen (N) availability in this region is still lacking. To explore the elevational patterns and their drivers of plant iWUE (calculated from leaf δ¹³C) and plant N availability (assessed by leaf δ¹⁵N) of different plant growth forms, plant iWUE and leaf δ¹⁵N of 654 observed samples of 158 species from seven typical vegetation types distributed along the elevation were investigated, and the effects of taxonomic identity, leaf functional traits, soil and climatic factors on them were explored by linear mixed-effects model. It was found that both plant iWUE and leaf δ¹⁵N differed significantly among different plant growth forms, with plant iWUE showed shrubs &gt; herbs &gt; trees and leaf δ¹⁵N showed herbs &gt; shrubs &gt; trees. The plant iWUE and leaf δ¹⁵N showed a U-shaped pattern along elevation, and the elevation patterns of different plant growth forms were consistent. The plant iWUE of different growth forms first decreased and then increased with increasing humidity index, and the humidity index breakpoints of different plant growth forms were different. The leaf δ¹⁵N of herbs and shrubs showed a significantly positive correlation with humidity index, whereas the leaf δ¹⁵N of trees had an insignificant correlation with humidity index. The elevation variations of plant iWUE and leaf δ¹⁵N of different plant growth forms were jointly influenced by biotic (i.e., plant taxonomy and leaf functional traits) and abiotic (i.e., soil and climate) factors, but were mainly determined by biotic factors. Our results showed that the significant coupling between plant iWUE and leaf δ¹⁵N did not vary by plant growth forms, thereby suggesting a close link between carbon and N cycles. This study deepens our knowledge regarding elevation variations and their drivers of plant iWUE and leaf δ¹⁵N, and confirms the importance of biotic factors on plant iWUE and leaf δ¹⁵N variations along elevation gradients in the alpine-gorge region.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Genetic diversity evaluation and germplasm identification of Mesona chinensis Benth from plant morphology, cytology, and EST-SSR molecular markers","authors":"Suhua Huang,&nbsp;Xiaomei Wei,&nbsp;Changqian Quan,&nbsp;Meihua Xu,&nbsp;Zhining Chen,&nbsp;Fan Wei,&nbsp;Danfeng Tang","doi":"10.1007/s11738-024-03728-7","DOIUrl":"10.1007/s11738-024-03728-7","url":null,"abstract":"<div><p><i>Mesona chinensis</i> Benth (MCB), also known as <i>Platostoma palustre</i>, is a highly significant medicinal and edible plant in China and Southeast Asian countries. The cultivated seedlings of MCB are primarily local farm varieties propagated through cuttings, with many being domesticated from wild species. This has led to an unclear and mixed source, as well as uneven quality of MCB. Hence, it is imperative to collect, preserve, evaluate, and identify the germplasm resources of MCB. This study aimed to evaluate the genetic diversity and identify the germplasm of eight core MCB resources using morphology, cytology, and EST-SSR molecular markers. Morphological observations showed significant variation in the inflorescences, leaves, stems, and corolla tissues. Scanning electron microscope (SEM) observations demonstrated significant differences in the number of stomata between the abaxial and adaxial sides of leaves. Furthermore, out of 192 primer pairs of EST-SSR molecular markers, 9 were suitable for constructing fingerprints. A total of 31 alleles were detected, with an average of 3.444 alleles per locus. The number of effective alleles (Ne) of 9 EST-SSR loci ranged from 1.473 (TDF139) to 3.877 (TDF166), while the Shannon Information index (I) per locus ranged from 0.601 (TDF139) to 1.461 (TDF166). The average value of observed heterozygosity (Ho) was 0.681, while the expected heterozygosity (He) was 0.523. The mean value of fixation index (F) was -0.294, while the mean heterozygosity within populations (Hs) was 0.762. The polymorphism information content (PIC) ranged from 0.295 (TDF139) to 0.701 (TDF166) across the 9 loci, with an average PIC value of 0.466. These results indicated that the selected EST-SSR primers exhibited high levels of polymorphism. Notably, TDF166 played a prominent role in exploring the genetic diversity of MCB. Furthermore, the Nei’s genetic distance among the eight germplasm resources exhibited significant variation, resulting in the division of all germplasm resources into six subclades. This suggested the presence of abundant genetic diversity within the MCB germplasm resources used in this study. This study provided a foundation for the conservation, management, and future breeding of MCB germplasm resources.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identification of candidate proteins related to oleic acid accumulation during sunflower (Helianthus annuus L.) seed development through comparative proteome analysis","authors":"Fei Zhou,&nbsp;Yan Liu,&nbsp;Pengyuan Xie,&nbsp;Jun Ma,&nbsp;Jing Wang,&nbsp;Jing Sun,&nbsp;Xutang Huang,&nbsp;Wenjun Wang","doi":"10.1007/s11738-024-03736-7","DOIUrl":"10.1007/s11738-024-03736-7","url":null,"abstract":"<div><p>As a crucial oil crop, sunflower (<i>Helianthus annuus</i> L.) has a high content of unsaturated fatty acids (FAs). The unsaturated FAs found in sunflower oil mainly include oleic acid (OA, C18:1) and linoleic acid (LOA, C18:2). OA’s antioxidant activity makes sunflower oil with high health value and suitable for storage. However, molecular mechanisms underlying differences in OA accumulation between high- and low-oleate sunflower varieties in seed development remain unexplored. Here, to identify key OA synthesis-related proteins, isobaric tag for relative and absolute quantitation (iTRAQ) was performed. Ultimately, 592 differentially expressed proteins (DEPs) (233 upregulated, 359 downregulated) were identified between high-oleate (‘L-1-OL-1’) and low-oleate (‘86–1’) maintainer lines. KEGG enrichment analysis of DEPs identified biosynthesis of unsaturated FAs as the most highly enriched biological pathway. Subsequently, combined transcriptome and proteome analysis results suggested that several proteins in this pathway might influence final seed OA content, including FAD2 (Δ12 fatty acid desaturase). Notably, FAD2 expression was significantly downregulated in ‘L-1-OL-1’ versus ‘86–1’ seeds, with results aligning with <i>FAD2</i> mRNA expression results determined via qRT-PCR analysis. These findings and understanding of OA synthesis mechanisms could help improve oil quality through breeding and germplasm-based efforts in sunflower.</p></div>","PeriodicalId":6973,"journal":{"name":"Acta Physiologiae Plantarum","volume":"46 11","pages":""},"PeriodicalIF":2.4,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}