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学者姓名：钟祥斌
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Abstract ：
Magnesium (Mg) and calcium (Ca) are the most abundant divalent cations in plants. Cause their antagonistic interaction in plant cell, maintaining Ca-Mg balance is critical for optimal plant growth and development. However, the molecular mechanisms underlying the regulation of Ca-Mg balance remain poorly understood. In this study, we found that the expression of OsCAX1a was highly induced under high Ca:Mg ratio conditions in rice. Heterologous expression of OsCAX1a in yeast demonstrated that it enhances cytosolic Mg efficiency by mediating Ca efflux. Genetic knockout or overexpression of OsCAX1a in rice altered the Ca:Mg ratio and impaired growth performance. Collectively, our results indicate that OsCAX1a-mediated Ca efflux plays an important role in Mg homeostasis, providing a new insight for Ca-Mg balance in plant.
Keyword ：
Calcium Calcium Magnesium Magnesium OsCAX1a OsCAX1a Transport Transport
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| GB/T 7714 | Tian, Xin-Yue , Cao, Hong-Rui , Li, Qi-Rong et al. OsCAX1a-Dependent Ca-Mg Balance Is Required for Optimal Growth in Rice [J]. | RICE , 2025 , 18 (1) . |
| MLA | Tian, Xin-Yue et al. "OsCAX1a-Dependent Ca-Mg Balance Is Required for Optimal Growth in Rice" . | RICE 18 . 1 (2025) . |
| APA | Tian, Xin-Yue , Cao, Hong-Rui , Li, Qi-Rong , Wu, Xiao , Liu, Bing-Sheng , Guo, Zi-Long et al. OsCAX1a-Dependent Ca-Mg Balance Is Required for Optimal Growth in Rice . | RICE , 2025 , 18 (1) . |
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Symbiotic nitrogen fixation in legume nodules requires substantial energy investment from host plants, and soybean (Glycine max (L.) supernodulation mutants show stunting and yield penalties due to overconsumption of carbon sources. We obtained soybean mutants differing in their nodulation ability, among which rhizobially induced cle1a/2a (ric1a/2a) has a moderate increase in nodule number, balanced carbon allocation, and enhanced carbon and nitrogen acquisition. In multi-year and multi-site field trials in China, two ric1a/2a lines had improved grain yield, protein content and sustained oil content, demonstrating that gene editing towards optimal nodulation improves soybean yield and quality. This study shows that optimizing soybean nodulation, rather than supernodulation, through editing improves N and C assimilation by balancing source-sink relationships. As a result, soybean yield and protein content are simultaneously increased in field conditions.
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| GB/T 7714 | Zhong, Xiangbin , Wang, Jie , Shi, Xiaolei et al. Genetically optimizing soybean nodulation improves yield and protein content [J]. | NATURE PLANTS , 2024 , 10 (5) . |
| MLA | Zhong, Xiangbin et al. "Genetically optimizing soybean nodulation improves yield and protein content" . | NATURE PLANTS 10 . 5 (2024) . |
| APA | Zhong, Xiangbin , Wang, Jie , Shi, Xiaolei , Bai, Mengyan , Yuan, Cuicui , Cai, Chenlin et al. Genetically optimizing soybean nodulation improves yield and protein content . | NATURE PLANTS , 2024 , 10 (5) . |
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Fructose-1,6-bisphosphate aldolase (FBA) is an important catalytic enzyme in carbon metabolism and plays an important role in plant growth and development. Currently, the biological functions of FBA in soybean (Glycine max) remain unknown. In this study, we conducted research on FBA in soybean and identified 14 GmFBA genes. Among them, GmFBAc1 and GmFBAc2 are broadly expressed in different tissues. Double mutant lines of GmFBAc1 and GmFBAc2 were obtained by CRISPR-Cas9 gene editing technology. Compared with the wild type, the double-gene homozygous mutant gmfbac1gmfbac2 exhibited dwarf seedlings and narrow leaflets, indicating that GmFBAc1 and GmFBAc2 are critical for soybean growth and development. The gmfbac1gmfbac2 metabolomic analysis revealed that compared to the wild type, carbohydrate metabolism was reduced and amino acid metabolism was enhanced in gmfbac1gmfbac2 mutant leaves. Transcriptomic analysis showed that genes in IAA signaling and JA signaling were downregulated and upregulated, respectively. Our study demonstrates an important role of GmFBAc1 and GmFBAc2 in modulating carbon metabolism and phytohormone homeostasis.
Keyword ：
Glycine max Glycine max GmFBA GmFBA narrow leaflet narrow leaflet phytohormone phytohormone
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| GB/T 7714 | Qiu, Zhimin , Bai, Mengyan , Kuang, Huaqin et al. Cytosolic Fructose-1,6-bisphosphate Aldolases Modulate Primary Metabolism and Phytohormone Homeostasis in Soybean [J]. | AGRONOMY-BASEL , 2023 , 13 (5) . |
| MLA | Qiu, Zhimin et al. "Cytosolic Fructose-1,6-bisphosphate Aldolases Modulate Primary Metabolism and Phytohormone Homeostasis in Soybean" . | AGRONOMY-BASEL 13 . 5 (2023) . |
| APA | Qiu, Zhimin , Bai, Mengyan , Kuang, Huaqin , Wang, Xin , Yu, Xiaomin , Zhong, Xiangbin et al. Cytosolic Fructose-1,6-bisphosphate Aldolases Modulate Primary Metabolism and Phytohormone Homeostasis in Soybean . | AGRONOMY-BASEL , 2023 , 13 (5) . |
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Symbiotic nitrogen fixation (SNF) in legumes is suppressed by the presence of soil inorganic. nitrogen (N). Here the authors characterize a transcriptional regulatory network underlying the N-inhibition of SNF in soybean nodules. Legumes can utilize atmospheric nitrogen via symbiotic nitrogen fixation, but this process is inhibited by high soil inorganic nitrogen. So far, how high nitrogen inhibits N-2 fixation in mature nodules is still poorly understood. Here we construct a co-expression network in soybean nodule and find that a dynamic and reversible transcriptional network underlies the high N inhibition of N-2 fixation. Intriguingly, several NAC transcription factors (TFs), designated as Soybean Nitrogen Associated NAPs (SNAPs), are amongst the most connected hub TFs. The nodules of snap1/2/3/4 quadruple mutants show less sensitivity to the high nitrogen inhibition of nitrogenase activity and acceleration of senescence. Integrative analysis shows that these SNAP TFs largely influence the high nitrogen transcriptional response through direct regulation of a subnetwork of senescence-associated genes and transcriptional regulators. We propose that the SNAP-mediated transcriptional network may trigger nodule senescence in response to high nitrogen.
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| GB/T 7714 | Wang, Xin , Qiu, Zhimin , Zhu, Wenjun et al. The NAC transcription factors SNAP1/2/3/4 are central regulators mediating high nitrogen responses in mature nodules of soybean [J]. | NATURE COMMUNICATIONS , 2023 , 14 (1) . |
| MLA | Wang, Xin et al. "The NAC transcription factors SNAP1/2/3/4 are central regulators mediating high nitrogen responses in mature nodules of soybean" . | NATURE COMMUNICATIONS 14 . 1 (2023) . |
| APA | Wang, Xin , Qiu, Zhimin , Zhu, Wenjun , Wang, Nan , Bai, Mengyan , Kuang, Huaqin et al. The NAC transcription factors SNAP1/2/3/4 are central regulators mediating high nitrogen responses in mature nodules of soybean . | NATURE COMMUNICATIONS , 2023 , 14 (1) . |
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本发明提供了一种提高双子叶植物胞嘧啶至胸腺嘧啶单碱基器编辑效率的方法及其应用，属于生物技术领域。所述方法为在基于CRISPR/Cas9n的双子叶植物胞嘧啶至胸腺嘧啶单碱基编辑器系统中，将UGI数量增加为2个，将sgRNA scaffold第5个碱基T点突成C、同时延长其茎环结构，将nCas9与PmCDA1之间的linker序列替换为ssDBD结构域序列，并将nCas9替换为nCas9变体，进而提高编辑效率。本发明所提供的方法有助于包括大豆在内的双子叶植物的功能基因组研究和分子育种。
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| GB/T 7714 | 关跃峰 , 柏梦焱 , 胡欣晨 et al. 一种提高双子叶植物单碱基编辑器编辑效率的方法及其应用 : CN202211230683.0[P]. | 2022-10-08 . |
| MLA | 关跃峰 et al. "一种提高双子叶植物单碱基编辑器编辑效率的方法及其应用" : CN202211230683.0. | 2022-10-08 . |
| APA | 关跃峰 , 柏梦焱 , 胡欣晨 , 钟祥斌 . 一种提高双子叶植物单碱基编辑器编辑效率的方法及其应用 : CN202211230683.0. | 2022-10-08 . |
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Plant immunity is activated upon pathogen perception and often affects growth and yield when it is constitutively active. How plants fine-tune immune homeostasis in their natural habitats remains elusive. Here, we discover a conserved immune suppression network in cereals that orchestrates immune homeostasis, centering on a Ca2+-sensor, RESISTANCE OF RICE TO DISEASES1 (ROD1). ROD1 promotes reactive oxygen species (ROS) scavenging by stimulating catalase activity, and its protein stability is regulated by ubiquitination. ROD1 disruption confers resistance to multiple pathogens, whereas a natural ROD1 allele prevalent in indica rice with agroecology-specific distribution enhances resistance without yield penalty. The fungal effector AvrPiz-t structurally mimics ROD1 and activates the same ROS-scavenging cascade to suppress host immunity and promote virulence. We thus reveal a molecular framework adopted by both host and pathogen that integrates Ca2+ sensing and ROS homeostasis to suppress plant immunity, suggesting a principle for breeding disease-resistant, high-yield crops.
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| GB/T 7714 | Gao, Mingjun , He, Yang , Yin, Xin et al. Ca2+ sensor-mediated ROS scavenging suppresses rice immunity and is exploited by a fungal effector [J]. | CELL , 2021 , 184 (21) : 5391-, . |
| MLA | Gao, Mingjun et al. "Ca2+ sensor-mediated ROS scavenging suppresses rice immunity and is exploited by a fungal effector" . | CELL 184 . 21 (2021) : 5391-, . |
| APA | Gao, Mingjun , He, Yang , Yin, Xin , Zhong, Xiangbin , Yan, Bingxiao , Wu, Yue et al. Ca2+ sensor-mediated ROS scavenging suppresses rice immunity and is exploited by a fungal effector . | CELL , 2021 , 184 (21) , 5391-, . |
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The detrimental effects of global warming on crop productivity threaten to reduce the world's food supply(1-3). Although plant responses to changes in temperature have been studied(4), genetic modification of crops to improve thermotolerance has had little success to date. Here we demonstrate that overexpression of the Arabidopsis thaliana receptor-like kinase ERECTA (ER) in Arabidopsis, rice and tomato confers thermotolerance independent of water loss and that Arabidopsis er mutants are hypersensitive to heat. A loss-of-function mutation of a rice ER homolog and reduced expression of a tomato ER allele decreased thermotolerance of both species. Transgenic tomato and rice lines overexpressing Arabidopsis ER showed improved heat tolerance in the greenhouse and in field tests at multiple locations in China during several seasons. Moreover, ER-overexpressing transgenic Arabidopsis, tomato and rice plants had increased biomass. Our findings could contribute to engineering or breeding thermotolerant crops with no growth penalty.
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| GB/T 7714 | Shen, Hui , Zhong, Xiangbin , Zhao, Fangfang et al. Overexpression of receptor-like kinase ERECTA improves thermotolerance in rice and tomato [J]. | NATURE BIOTECHNOLOGY , 2015 , 33 (9) : 996-U153 . |
| MLA | Shen, Hui et al. "Overexpression of receptor-like kinase ERECTA improves thermotolerance in rice and tomato" . | NATURE BIOTECHNOLOGY 33 . 9 (2015) : 996-U153 . |
| APA | Shen, Hui , Zhong, Xiangbin , Zhao, Fangfang , Wang, Yanmei , Yan, Bingxiao , Li, Qun et al. Overexpression of receptor-like kinase ERECTA improves thermotolerance in rice and tomato . | NATURE BIOTECHNOLOGY , 2015 , 33 (9) , 996-U153 . |
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