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学者姓名：周元昌
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Abstract ：
BackgroundResponse regulator proteins (RRs) are integral components of two-component regulatory systems and play critical roles in cytokinin signaling, regulation of plant growth and development, and responses to biotic and abiotic stresses. While numerous RR families have been identified, comprehensive characterization and functional studies of RR genes in eggplant have not been reported.ResultsIn this study, we conducted a genome-wide identification and analysis of RR genes in eggplant. Through Blastp and HMM methods, a total of 32 RRs were identified. Phylogenetic analysis classified all RRs into three categories: type-A, type-B RRs, and PRRs (Pseudo-RRs), while no type-C genes were detected. Gene structure and motif analysis demonstrated similarities within each type. Gene duplication and tandem repeats suggested these mechanisms might have facilitated the expansion of the RR gene family in the eggplant genome. Synteny analysis uncovered 18 syntenic blocks between eggplant and Arabidopsis and 33 between eggplant and tomato. Promoter analysis indicated their potential roles in hormone signaling and stress responses. Tissue expression data showed that 12 genes had no or undetectable expression across 17 tested tissues, while others exhibited significant tissue specificity, with most genes showing higher expression in roots. Dynamic expression of 11 selected RR genes in response to salt, drought stress, and IAA hormone treatment in eggplant seedlings revealed that most genes responded to all three treatments. Notably, SmRR9 exhibited the most profound response to salt stress, SmRR1 and SmRR9 to drought stress, and SmRR5 and SmRR6 to IAA treatment. These four genes were proposed as key candidates for future studies on RR gene functions in abiotic stress responses and hormone signaling pathways.ConclusionThe findings of this study provide a foundation for future research on the functional roles of SmRRs in abiotic stress responses and hormone signaling pathways in eggplant, serving as a guide for improving stress tolerance in eggplant.
Keyword ：
Abiotic stress Abiotic stress Eggplant Eggplant Genome-wide identification Genome-wide identification IAA treatment IAA treatment RR gene family RR gene family
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| GB/T 7714 | Li, Wenjing , Li, Hui , Lin, Yanyu et al. Genome-wide identification and analysis of SmRR gene family in eggplant (Solanum melongena L.) and their response to abiotic stress and auxin [J]. | BMC GENOMICS , 2025 , 26 (1) . |
| MLA | Li, Wenjing et al. "Genome-wide identification and analysis of SmRR gene family in eggplant (Solanum melongena L.) and their response to abiotic stress and auxin" . | BMC GENOMICS 26 . 1 (2025) . |
| APA | Li, Wenjing , Li, Hui , Lin, Yanyu , Li, Yutong , Xie, Xiaofang , Zheng, Xuefang et al. Genome-wide identification and analysis of SmRR gene family in eggplant (Solanum melongena L.) and their response to abiotic stress and auxin . | BMC GENOMICS , 2025 , 26 (1) . |
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Elevating Mg2+ levels in rice cytoplasm by genetic modification or exogenous supply increases salicylic acid accumulation and enhances broad-spectrum resistance to pathogens.
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| GB/T 7714 | Zeng, Wenzhi , Zhang, Yanjun , Tian, Xinyue et al. Increased cytoplasmic Mg2+ level contributes to rice salicylic acid accumulation and broad-spectrum resistance [J]. | PLANT PHYSIOLOGY , 2024 , 195 (4) : 2515-2519 . |
| MLA | Zeng, Wenzhi et al. "Increased cytoplasmic Mg2+ level contributes to rice salicylic acid accumulation and broad-spectrum resistance" . | PLANT PHYSIOLOGY 195 . 4 (2024) : 2515-2519 . |
| APA | Zeng, Wenzhi , Zhang, Yanjun , Tian, Xinyue , Li, Wenyan , Meng, Han , Zhou, Yuanchang et al. Increased cytoplasmic Mg2+ level contributes to rice salicylic acid accumulation and broad-spectrum resistance . | PLANT PHYSIOLOGY , 2024 , 195 (4) , 2515-2519 . |
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Background The normal metabolism of transitory starch in leaves plays an important role in ensuring photosynthesis, delaying senescence and maintaining high yield in crops. OsCKI1 (casein kinase I1) plays crucial regulatory roles in multiple important physiological processes, including root development, hormonal signaling and low temperature-treatment adaptive growth in rice; however, its potential role in regulating temporary starch metabolism or premature leaf senescence remains unclear. To reveal the molecular regulatory mechanism of OsCKI1 in rice leaves, physiological, transcriptomic and proteomic analyses of leaves of osckI1 allele mutant lses1 (leaf starch excess and senescence 1) and its wild-type varieties (WT) were performed. Results Phenotypic identification and physiological measurements showed that the lses1 mutant exhibited starch excess in the leaves and an obvious leaf tip withering phenotype as well as high ROS and MDA contents, low chlorophyll content and protective enzyme activities compared to WT. The correlation analyses between protein and mRNA abundance are weak or limited. However, the changes of several important genes related to carbohydrate metabolism and apoptosis at the mRNA and protein levels were consistent. The protein-protein interaction (PPI) network might play accessory roles in promoting premature senescence of lses1 leaves. Comprehensive transcriptomic and proteomic analysis indicated that multiple key genes/proteins related to starch and sugar metabolism, apoptosis and ABA signaling exhibited significant differential expression. Abnormal increase in temporary starch was highly correlated with the expression of starch biosynthesis-related genes, which might be the main factor that causes premature leaf senescence and changes in multiple metabolic levels in leaves of lses1. In addition, four proteins associated with ABA accumulation and signaling, and three CKI potential target proteins related to starch biosynthesis were up-regulated in the lses1 mutant, suggesting that LSES1 may affect temporary starch accumulation and premature leaf senescence through phosphorylation crosstalk ABA signaling and starch anabolic pathways. Conclusion The current study established the high correlation between the changes in physiological characteristics and mRNA and protein expression profiles in lses1 leaves, and emphasized the positive effect of excessive starch on accelerating premature leaf senescence. The expression patterns of genes/proteins related to starch biosynthesis and ABA signaling were analyzed via transcriptomes and proteomes, which provided a novel direction and research basis for the subsequent exploration of the regulation mechanism of temporary starch and apoptosis via LSES1/OsCKI1 in rice.
Keyword ：
) ) Leaf senescence Leaf senescence lses1 lses1 Proteome Proteome Rice (Oryza sativa L Rice (Oryza sativa L Transcriptome Transcriptome Transitory starch Transitory starch
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| GB/T 7714 | Chen, Zhiming , Wang, Yongsheng , Huang, Rongyu et al. Integration of transcriptomic and proteomic analyses reveals several levels of metabolic regulation in the excess starch and early senescent leaf mutant lses1 in rice [J]. | BMC PLANT BIOLOGY , 2022 , 22 (1) . |
| MLA | Chen, Zhiming et al. "Integration of transcriptomic and proteomic analyses reveals several levels of metabolic regulation in the excess starch and early senescent leaf mutant lses1 in rice" . | BMC PLANT BIOLOGY 22 . 1 (2022) . |
| APA | Chen, Zhiming , Wang, Yongsheng , Huang, Rongyu , Zhang, Zesen , Huang, Jinpeng , Yu, Feng et al. Integration of transcriptomic and proteomic analyses reveals several levels of metabolic regulation in the excess starch and early senescent leaf mutant lses1 in rice . | BMC PLANT BIOLOGY , 2022 , 22 (1) . |
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Plants manage the high cost of immunity activation by suppressing the expression of defense genes during normal growth and rapidly switching them on upon pathogen invasion. TGAs are key transcription factors controlling the expression of defense genes. However, how TGAs function, especially in monocot plants like rice with continuously high levels of endogenous salicylic acid (SA) remains elusive. In this study, we characterized the role of OsTGA5 as a negative regulator of rice resistance against blast fungus by transcriptionally repressing the expression of various defense-related genes. Moreover, OsTGA5 repressed PTI responses and the accumulation of endogenous SA. Importantly, we showed that the nucleus-localized casein kinase II (CK2) complex interacts with and phosphorylates OsTGA5 on Ser-32, which reduces the affinity of OsTGA5 for the JIOsPR10 promoter, thereby alleviating the repression of JIOsPR10 transcription and increasing rice resistance. Furthermore, the in vivo phosphorylation of OsTGA5 Ser-32 was enhanced by blast fungus infection. The CK2 alpha subunit, depending on its kinase activity, positively regulated rice defense against blast fungus. Taken together, our results provide a mechanism for the role of OsTGA5 in negatively regulating the transcription of defense-related genes in rice and the repressive switch imposed by nuclear CK2-mediated phosphorylation during blast fungus invasion. Nuclear casein kinase II alleviates the suppression of OsTGA5 on the transcription of defense genes and rice resistance against blast fungus via phosphorylation on Ser32.
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| GB/T 7714 | Niu, Yuqing , Huang, Xiaoguang , He, Zexue et al. Phosphorylation of OsTGA5 by casein kinase II compromises its suppression of defense-related gene transcription in rice [J]. | PLANT CELL , 2022 , 34 (9) : 3425-3442 . |
| MLA | Niu, Yuqing et al. "Phosphorylation of OsTGA5 by casein kinase II compromises its suppression of defense-related gene transcription in rice" . | PLANT CELL 34 . 9 (2022) : 3425-3442 . |
| APA | Niu, Yuqing , Huang, Xiaoguang , He, Zexue , Zhang, Qingqing , Meng, Han , Shi, Hua et al. Phosphorylation of OsTGA5 by casein kinase II compromises its suppression of defense-related gene transcription in rice . | PLANT CELL , 2022 , 34 (9) , 3425-3442 . |
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Seed viability depends upon the maintenance of functional lipids; however, how membrane lipid components dynamically change during the seed aging process remains obscure. Seed storage is accompanied by the oxidation of membrane lipids and loss of seed viability. Understanding membrane lipid changes and their effect on the cell membrane during seed aging can contribute to revealing the mechanism of seed longevity. In this study, the potential relationship between oxidative stress and membrane lipid metabolism was evaluated by using a non-targeted lipidomics approach during artificial aging of Glycine max L. Merr. Zhongdou No. 27 seeds. We determined changes in reactive oxygen species, malondialdehyde content, and membrane permeability and assessed antioxidant system activity. We found that decreased non-enzymatic antioxidant contents and catalase activity might lead to reactive oxygen species accumulation, resulting in higher electrolyte leakage and lipid peroxidation. The significantly decreased phospholipids and increased glycerolipids and lysophospholipids suggested that hydrolysis of phospholipids to form glycerolipids and lysophospholipids could be the primary pathway of membrane metabolism during seed aging. Moreover, the ratio of phosphatidylcholine to phosphatidylethanolamine, double bond index, and acyl chain length of phospholipids were found to jointly regulate membrane function. In addition, the observed changes in lipid metabolism suggest novel potential hallmarks of soybean seed aging, such as diacylglycerol 36:4; phosphatidylcholine 34:2, 36:2, and 36:4; and phosphatidylethanolamine 34:2. This knowledge can be of great significance for elucidating the molecular mechanism underlying seed aging and germplasm conservation.
Keyword ：
antioxidant system antioxidant system artificial aging artificial aging glycerolipid glycerolipid membrane lipid membrane lipid untargeted lipidomics untargeted lipidomics
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| GB/T 7714 | Lin, Yi-xin , Xu, Hai-jin , Yin, Guang-kun et al. Dynamic Changes in Membrane Lipid Metabolism and Antioxidant Defense During Soybean (Glycine max L. Merr.) Seed Aging [J]. | FRONTIERS IN PLANT SCIENCE , 2022 , 13 . |
| MLA | Lin, Yi-xin et al. "Dynamic Changes in Membrane Lipid Metabolism and Antioxidant Defense During Soybean (Glycine max L. Merr.) Seed Aging" . | FRONTIERS IN PLANT SCIENCE 13 (2022) . |
| APA | Lin, Yi-xin , Xu, Hai-jin , Yin, Guang-kun , Zhou, Yuan-chang , Lu, Xin-xiong , Xin, Xia . Dynamic Changes in Membrane Lipid Metabolism and Antioxidant Defense During Soybean (Glycine max L. Merr.) Seed Aging . | FRONTIERS IN PLANT SCIENCE , 2022 , 13 . |
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[目的]了解12份水稻恢复系之间的遗传亲缘关系，以期为水稻恢复系选育和杂交组合选配提供分子依据。[方法]利用40对SSR引物对8份‘明恢’系列恢复系和4份种植广泛的恢复系进行遗传多样性研究。构建该12份恢复系的指纹图谱，并以标记数据为基础计算遗传距离和生成聚类图。[结果](1)40对SSR引物共检测出75个等位位点，平均每对引物产生1.875个；以其中多态性良好的11对标记对12份恢复系进行指纹图谱构建，确定了每份材料的唯一分子身份信息。(2)12份恢复系之间的遗传相似系数变异范围在0.62～0.93之间。在遗传相似系数0.74处可以将12份材料分为6个类群，在0.79处可以将第Ⅰ类群的6份材料分为3个亚类。[结论]12份供试恢复系可以分成6个亚群，明确了相互之间的亲缘关系，从分子层面为恢复系选育和亲本组配提供了较好的遗传信息。
Keyword ：
SSR分子标记 SSR分子标记 恢复系 恢复系 指纹图谱 指纹图谱 水稻 水稻 遗传多样性 遗传多样性
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| GB/T 7714 | 王衍坤 , 韦新宇 , 胡杰 et al. 12份水稻恢复系的遗传多样性分析及指纹图谱构建 [J]. | 亚热带农业研究 , 2022 , 18 (02) : 73-78 . |
| MLA | 王衍坤 et al. "12份水稻恢复系的遗传多样性分析及指纹图谱构建" . | 亚热带农业研究 18 . 02 (2022) : 73-78 . |
| APA | 王衍坤 , 韦新宇 , 胡杰 , 夏法刚 , 周元昌 , 季彪俊 . 12份水稻恢复系的遗传多样性分析及指纹图谱构建 . | 亚热带农业研究 , 2022 , 18 (02) , 73-78 . |
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植物生长发育遭受的非生物胁迫及其种子储藏过程中活力的丧失，是农业生产上难以解决的两大问题。棉子糖家族系列寡糖（RFOs）是植物中广泛存在的可溶性低聚糖，其代谢产物一方面可通过多种途径参与植物抵抗非生物胁迫，另一方面可参与调控种子活力，但目前RFOs在不同胁迫中的调控途径和分子机制尚不明确。因此，解析RFOs的生物学功能，对于利用该通路改善作物经济性状、提高作物产量具有重要的现实意义和应用价值。本文主要阐述了RFOs的合成与分解代谢通路，总结近年来RFOs在种子活力、非生物胁迫特别是干旱胁迫及冷胁迫中的研究进展，讨论RFOs代谢作用机制方面研究存在的不足，并展望RFOs代谢未来重点研究方向。
Keyword ：
棉子糖家族系列寡糖 棉子糖家族系列寡糖 种子活力 种子活力 非生物胁迫 非生物胁迫
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| GB/T 7714 | 余箬芊 , 王福祥 , 郑燕梅 et al. 植物棉子糖家族寡糖（RFOs）在种子活力及非生物胁迫中的生物学功能研究进展 [J]. | 福建农业学报 , 2022 , 37 (01) : 114-122 . |
| MLA | 余箬芊 et al. "植物棉子糖家族寡糖（RFOs）在种子活力及非生物胁迫中的生物学功能研究进展" . | 福建农业学报 37 . 01 (2022) : 114-122 . |
| APA | 余箬芊 , 王福祥 , 郑燕梅 , 林悦龙 , 魏毅东 , 蔡秋华 et al. 植物棉子糖家族寡糖（RFOs）在种子活力及非生物胁迫中的生物学功能研究进展 . | 福建农业学报 , 2022 , 37 (01) , 114-122 . |
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利用不育胞质源自油菜、甘蓝等的6个花椰菜细胞质雄性不育(cytoplasmic male sterility,CMS)系及其同型保持系分别与5个测验自交系杂交,配制30对不育系杂种(AF1)和30对保持系杂种(BF1),分析不育细胞质对10个农艺性状和5个品质性状的遗传效应,为不同CMS的杂种优势利用提供参考。结果表明,不育细胞质对F1杂种的现球期、采收期和维生素C含量表现显著正效应。不同来源CMS细胞质效应比较推断,来自油菜的CMS对生育期和叶片数呈显著正效应;来自甘蓝的CMS对花球质量、花球纵径、维生素C含量和采收期呈显著正效应,而对叶绿素含量和叶片数呈显著负效应;来自花椰菜的CMS对生育期和维生素C含量呈显著正效应。对6个花椰菜CMS细胞质效应比较发现,NB65A对花球质量、花球纵径、花球横径和可溶性糖含量正效应显著最高,XG108A对维生素C及可溶性蛋白含量正效应显著最高,两者皆可作为选育高产优质组合的母本。这些结果表明,不同来源的CMS细胞质对花椰菜主要农艺性状和品质性状的效应较为复杂,但可通过选择适当的杂交父本核来减轻或克服不育细胞质对相应性状的不良效应。
Keyword ：
CMS CMS 杂种优势利用 杂种优势利用 细胞质效应 细胞质效应 花椰菜 花椰菜
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| GB/T 7714 | 朱世杨 , 张小玲 , 刘庆 et al. 花椰菜不同胞质来源雄性不育的细胞质效应分析 [J]. | 园艺学报 , 2021 , 48 (06) : 1107-1122 . |
| MLA | 朱世杨 et al. "花椰菜不同胞质来源雄性不育的细胞质效应分析" . | 园艺学报 48 . 06 (2021) : 1107-1122 . |
| APA | 朱世杨 , 张小玲 , 刘庆 , 钟伟杰 , 罗天宽 , 唐征 et al. 花椰菜不同胞质来源雄性不育的细胞质效应分析 . | 园艺学报 , 2021 , 48 (06) , 1107-1122 . |
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Seed deterioration due to ageing strongly affects both germplasm preservation and agricultural production. Decelerating seed deterioration and boosting seed viability become increasingly urgent. The loss of seed viability is inevitable even under cold storage. For species with short-lived seed or for regions with poor preservation infrastructure where cold storage is not readily available, seed enhancement is more reliable to increase seed viability and longevity. Antioxidant priming as a way of seed enhancement usually improves seed germination. As for post-priming survival, however, significant uncertainty exists. The controversy lies particularly on seeds of high germination percentage (GP > 95%) whose viability is hardly improvable and the benefits of priming depend on prolonging seed longevity. Therefore, this study timed antioxidant priming to prolong the longevity of high-viability seeds under artificially accelerated ageing (AAA). Rice (Nipponbare) seeds (GP > 97%) under room-temperature-storage (RTS) for 6 months. were resistant to AAA first with little viability loss for a certain period, the resistant stage. This resistance gradually vanished without GP change, during a prolonged RTS period which was named the vulnerable stage. According to the results, although antioxidant priming severely curtailed the resistant stage for seeds with a long plateau in the survival curve, it decelerated viability loss for seeds in the vulnerable stage. In complement to seed storage, priming potentially retains high seed GP which would decrease without seed enhancement. To maximize the benefits of priming for high-GP seeds, two time points are advised as the start of a time window for priming: (1) just at the end of the resistant stage without notable viability loss, which is hard to grasp by GP monitoring; (2) slight but identifiable GP decline.
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| GB/T 7714 | Xu, Ling-xiang , Xin, Xia , Yin, Guang-kun et al. Timing for antioxidant-priming against rice seed ageing: optimal only in non-resistant stage [J]. | SCIENTIFIC REPORTS , 2020 , 10 (1) . |
| MLA | Xu, Ling-xiang et al. "Timing for antioxidant-priming against rice seed ageing: optimal only in non-resistant stage" . | SCIENTIFIC REPORTS 10 . 1 (2020) . |
| APA | Xu, Ling-xiang , Xin, Xia , Yin, Guang-kun , Zhou, Ji , Zhou, Yuan-chang , Lu, Xin-xiong . Timing for antioxidant-priming against rice seed ageing: optimal only in non-resistant stage . | SCIENTIFIC REPORTS , 2020 , 10 (1) . |
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Rice plays a crucial role in food production worldwide as one of the most important cereal crops. Breeding blast disease resistant varieties is a long-term aim for sustainable rice production. II-32B is an elite maintainer line of II-32A which has been widely used as a hybrid rice parent in China. However, it is significantly susceptible to rice blast. In this study, multiple alleles, Pi-2 and Pi-9, and the chromosomal segment of blast resistance genes, Pi-1 and Pi-k(h), were introgressed to receptor parents II-32B by marker-assisted backcross breeding. Eleven near-isogenic lines (NILs) with single Pi-gene and 12 pyramid lines containing double or three homozygous resistance genes were obtained. These improved lines were identified by inoculating Magnaporthe oryzae isolates in the field/greenhouses; the result showed that the resistance of pyramid lines containing three resistance genes was stronger than the lines with double or single gene, whereas the lines with double genes were stronger than the one with single-gene. Additionally, pyramiding of different Pi-genes was effective in obtaining the durable blast resistance in rice. This implies that gene pyramiding in rice can increase spectrum and strength of resistance to blast. Furthermore, three-line retention of sixteen improved NILs was kept well and the agronomic traits were consistence with II-32B. We conclude that gene pyramiding is an effective breeding approach for the improvement of rice varieties with durable resistance to blast in the future.
Keyword ：
Gene pyramiding Gene pyramiding Marked-assisted selection Marked-assisted selection Near-isogenic lines Near-isogenic lines Oryza sativa L Oryza sativa L Resistance to rice blast Resistance to rice blast
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| GB/T 7714 | Guan, Huazhong , Hou, Xinpo , Jiang, Yunlin et al. Feature of blast resistant near-isogenic lines using an elite maintainer line II-32B by marker-assisted selection [J]. | JOURNAL OF PLANT PATHOLOGY , 2019 , 101 (3) : 491-501 . |
| MLA | Guan, Huazhong et al. "Feature of blast resistant near-isogenic lines using an elite maintainer line II-32B by marker-assisted selection" . | JOURNAL OF PLANT PATHOLOGY 101 . 3 (2019) : 491-501 . |
| APA | Guan, Huazhong , Hou, Xinpo , Jiang, Yunlin , Srivastava, Vibha , Mao, Damei , Pan, Runsen et al. Feature of blast resistant near-isogenic lines using an elite maintainer line II-32B by marker-assisted selection . | JOURNAL OF PLANT PATHOLOGY , 2019 , 101 (3) , 491-501 . |
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