JIPB | Current Issue: Volume 66 Issue 7 2024

文摘 2024-07-17 11:55 北京

Grapes, first written about in The Book of Songs, have been cultivated for millennia and have become globally valued as a fresh fruit and for making wine. The cover depicts grapevines growing along the coast in Shenzhen, China, where they produce a bountiful harvest brought by the gentle breeze. However, these grapevines are not delicate––they can withstand the sea wind and the splashing of seawater, symbolizing the tenacious vitality of grapes that are adapted to the coastal environment. The population genomics study by Zhang et al. (pages 1408–1426) offers valuable insights for breeding salt-tolerant grape rootstocks and identifies key structural variations, advancing horticulture of this economically and culturally significant crop.

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Commentary

DGK5-mediated phosphatidic acid homeostasis interplays with reactive oxygen species in plant immune signaling^free

Dian Wang, Minhang Yuan, Yamei Zhuang, Xiu-Fang Xin, Guang Qi

Reactive oxygen species (ROS) and phosphatidic acid (PA) are important second messengers in plant immunity. PA binding to RBOHD, an NADPH oxidase responsible for ROS production, enhances RBOHD stability and promotes ROS production. Distinct phosphorylation of the lipid kinase DGK5 optimizes the PA burst in regulating ROS production.

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JIPB | 热点评论：磷脂酸迸发平衡与活性氧在植物免疫中的相互作用

Brief Communications

TaMYB72 directly activates the expression of TaFT to promote heading and enhance grain yield traits in wheat (Triticum aestivum L.)^open

Lifen Wu, Zhencheng Xie, Danping Li, Yaoyu Chen, Chuan Xia, Xiuying Kong, Xu Liu, Lichao Zhang

Heading date, grain number per spike, and grain weight are crucial traits affecting yield and adaptability in wheat. The transcription factor TaMYB72 is an important regulator of wheat grain yield and its knock-out mutants can be used as germplasm resources for wheat improvement.

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JIPB | 中国农业科学院作物科学研究所小麦产量性状解析与设计团队揭示转录因子TaMYB72 调控小麦抽穗期和产量性状的新机制

Apple SINA11-JAZ2 module is involved in jasmonate signaling response^free

Di Ai, Lei Zhao, Chun-Xiang You, Yuepeng Han, Jian-Ping An

The E3 ubiquitin ligase MdSINA11 targets the jasmonate ZIM domain protein MdJAZ2 for ubiquitination and degradation through the 26S proteasome pathway, thereby initiating jasmonate signaling and jasmonic acid–triggered anthocyanin biosynthesis in apple.

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JIPB | 武汉植物园/山东农大联合揭示SINA蛋白泛素化调控茉莉酸信号转导新机制

Review Article

Small particles, big effects: How nanoparticles can enhance plant growth in favorable and harsh conditions^open

Jie Wang, Honghong Wu, Yichao Wang, Wuwei Ye, Xiangpei Kong, Zujun Yin

This review explores the mechanisms by which nanoparticles act on plants, the effects on plant abiotic stress responses, the potential of nanotechnology to improve crop yield and quality, and the need for comprehensive examination of the environmental impact and safety of nanomaterials.

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JIPB | 最新研究综述：非生物胁迫下纳米颗粒促进植物生长的作用机制

Abiotic Stress Responses

TabHLH27 orchestrates root growth and drought tolerance to enhance water use efficiency in wheat

Dongzhi Wang, Xiuxiu Zhang, Yuan Cao, Aamana Batool, Yongxin Xu, Yunzhou Qiao, Yongpeng Li, Hao Wang, Xuelei Lin, Xiaomin Bie, Xiansheng Zhang, Ruilian Jing, Baodi Dong, Yiping Tong, Wan Teng, Xigang Liu, Jun Xiao

The transcription factor TabHLH27-A1 orchestrates wheat root growth and drought tolerance, with an elite allele of TabHLH27-A1 improving yield under water scarcity, thus providing a breeding target for enhancing water use efficiency in wheat.

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JIPB | 中国科学院遗传发育所/河北师范大学揭示TabHLH27调控小麦耐旱性和水分利用效率的分子机制

Ca²⁺-independent ZmCPK2 is inhibited by Ca²⁺-dependent ZmCPK17 during drought response in maize

Xiaoying Hu, Jinkui Cheng, Minmin Lu, Tingting Fang, Yujuan Zhu, Zhen Li, Xiqing Wang, Yu Wang, Yan Guo, Shuhua Yang, Zhizhong Gong

In maize, phosphorylation of the calcium-dependent protein kinase ZmCPK2 in response to Ca²⁺ oscillations triggered by drought or abscisic acid inhibits its activity, resulting in inactivation of the YABBY family transcription factor ZmYAB15 and inducing drought stress responses.

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JIPB | 中国农业大学/河北大学巩志忠课题组揭示玉米干旱胁迫响应新机制

Phosphorylation of ZmAL14 by ZmSnRK2.2 regulates drought resistance through derepressing ZmROP8 expression

Yalin Wang, Jinkui Cheng, Yazhen Guo, Zhen Li, Shuhua Yang, Yu Wang, Zhizhong Gong

Under drought stress or abscisic acid (ABA) treatment, a kinase cascade regulates the Alfin-like family protein ZmAL14, removing its repression of the dehydration-induced Rho-like small guanosine triphosphatase gene ZmROP8, thus activating drought stress responses.

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JIPB | 中国农业大学揭示ZmSnRK2.2磷酸化转录因子ZmAL14调节玉米抗旱性的分子机制

Cell and Developmental Biology

The miR159a-DUO1 module regulates pollen development by modulating auxin biosynthesis and starch metabolism in citrus

Yanhui Xu, Wenxiu Tian, Minqiang Yin, Zhenmei Cai, Li Zhang, Deyi Yuan, Hualin Yi, Juxun Wu

Overexpression of the microRNA miR159a and knockout of the MYB transcription factor gene DUO1 in citrus led to pollen development defects and abnormal starch metabolism. The miR159a–DUO1 module acts on auxin and starch metabolism to regulate pollen development in citrus.

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JIPB | 华中农业大学伊华林/吴巨勋课题组揭示miR159a-DUO1模块调控柑橘花粉育性的分子机制

GmNF-YC4 delays soybean flowering and maturation by directly repressing GmFT2a and GmFT5a expression^open

Yupeng Cai, Li Chen, Xiaoqian Liu, Weiwei Yao, Wensheng Hou

GmNF-YC4 functions as a flowering suppressor in soybean under long-day conditions, directly repressing the expression of GmFT2a and GmFT5a. GmNF-YC4 underwent strong selection during domestication, with one GmNF-YC4 allele predominantly found in Glycine soja and another predominantly found in Glycine max.

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JIPB | 中国农业科学院作科所侯文胜团队解析GmNF-YC4调控大豆生育期的分子机制

Transcription factor OsWRKY11 induces rice heading at low concentrations but inhibits rice heading at high concentrations

Lirong Zhao, Yunwei Liu, Yi Zhu, Shidie Chen, Yang Du, Luyao Deng, Lei Liu, Xia Li, Wanqin Chen, Zhiyu Xu, Yangyang Xiong, You Ming, Siyu Fang, Ligang Chen, Houping Wang, Diqiu Yu

Under normal conditions, low concentrations of OsWRKY11 facilitate flowering by upregulating OsMADS14/15. However, OsWRKY11 overexpression and drought-induced OsWRKY11 upregulation result in OsWRKY11 accumulation, and formation of a complex containing OsWRKY11, Heading date 1, and Days to heading date 8, which inhibits Early heading date 1 expression, thus delaying flowering.

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JIPB | 云南大学余迪求团队揭示OsWRKY11调控水稻抽穗期的新机制

Molecular Ecology and Evolution

Population genomics highlights structural variations in local adaptation to saline coastal environments in woolly grape

Jutang Jiang, Zeyu Zhang, Yucong Bai, Xiaojing Wang, Yuping Dou, Ruiman Geng, Chongyang Wu, Hangxiao Zhang, Cunfu Lu, Lianfeng Gu, Jian Gao

Population genomics and a haplotype-resolved near telomere-to-telomere reference genome highlight the role of structural variation in local adaptation to saline coastal environments in woolly grape (Vitis retodrii) and identifies candidate genes for future breeding programs for grapevine and its rootstocks.

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JIPB | 中国农业科学院深圳农业基因组研究所周永锋团队揭示结构变异促进野生葡萄适应高盐海滨环境

Molecular Physiology

An orchestrated ethylene–gibberellin signaling cascade contributes to mesocotyl elongation and emergence of rice direct seeding^open

Yusong Lyu, Xinli Dong, Shipeng Niu, Ruijie Cao, Gaoneng Shao, Zhonghua Sheng, Guiai Jiao, Lihong Xie, Shikai Hu, Shaoqing Tang, Xiangjin Wei, Peisong Hu

We identified a major quantitative trait locus, mesocotyl elongation1 (ME1), which harbors the rice Green Revolution gene Semi-Dwarf1 (SD1), encoding a GA20-oxidase for gibberellin (GA) biosynthesis. An orchestrated ethylene–GA signaling cascade coordinates the ME and emergence of rice seedlings. Furthermore, we found a potential application for ME1 in modern rice direct-seeding breeding.

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JIPB | 中国水稻研究所胡培松院士团队揭示乙烯-赤霉素信号调控水稻直播性状中胚轴伸长及破土出苗的分子机制

Natural variation in MORE GRAINS 1 regulates grain number and grain weight in rice^open

Yingchun Han, Qianfeng Hu, Nuo Gong, Huimin Yan, Najeeb Ullah Khan, Yanxiu Du, Hongzheng Sun, Quanzhi Zhao, Wanxi Peng, Zichao Li, Zhanying Zhang, Junzhou Li

The bHLH transcription factor MORE GRAINS 1 (MOG1) positively regulates grain yield in rice by activating the expression of the cytokinin-activating enzyme LONELY GUY and the cell expansion gene EXPANSIN-LIKE 1. The haplotype Hap-HNW has higher MOG1 expression and transcriptional activation activity, resulting in more and heavier grains.

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JIPB | 河南农业大学李俊周教授与中国农业大学张战营副教授合作挖掘新的水稻穗粒数和粒重调控因子MOG1

Plant Biotic Interactions

OsATL32 ubiquitinates the reactive oxygen species-producing OsRac5–OsRbohB module to suppress rice immunity

Yuqing Yan, Hui Wang, Yan Bi, Jiajing Wang, Muhammad Noman, Dayong Li, Fengming Song

The plasma membrane-localized E3 ubiquitin ligase OsATL32, which is dephosphorylated and destabilized by the protein phosphatase OsPTEN, negatively contributes to rice immunity against blast and bacterial leaf blight diseases by targeting the reactive oxygen species–producing OsRac5–OsRbohB module for degradation.

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JIPB | 浙江大学宋凤鸣课题组揭示水稻E3泛素连接酶OsATL32负调控水稻免疫反应新机制

A vicinal oxygen chelate protein facilitates viral infection by triggering the unfolded protein response in Nicotiana benthamiana

Zhihong Guo, Ning Jiang, Menglin Li, Hongfang Guo, Qi Liu, Xinyu Qin, Zongying Zhang, Chenggui Han, Ying Wang

In Nicotiana benthamiana, Beet necrotic yellow vein virus infection triggers the bZIP17/28 branch of the Unfolded Protein Response (UPR), which activates transcription of the vicinal oxygen chelate protein gene VOC1. VOC1 enhances bZIP17/28 self-interaction and promoter binding activity in the nucleus, thereby facilitating the bZIP17/28-mediated UPR, which enhances viral infection.

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JIPB | 中国农业大学植物保护学院韩成贵/王颖团队揭示邻位氧鳌合蛋白VOC1参与正调控未折叠蛋白反应促进植物病毒侵染的新机制

Plant Reproductive Biology

Sporophytic control of tapetal development and pollen fertility by a mitogen-activated protein kinase cascade in rice

Jianguo Zeng, Manman Duan, Yiqing Wang, Guangtao Li, Yujing You, Jie Shi, Changhao Liu, Jinyang Zhang, Juan Xu, Shuqun Zhang, Jing Zhao

A mitogen-activated protein kinase (MAPK) cascade composed of OsYDA1/OsYDA2, OsMKK4, and OsMPK6 plays an important role in tapetal development and male gametophyte fertility. Loss of function of this MAPK cascade leads to anther indehiscence, enlarged tapetum, and aborted pollen grains.

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JIPB | 南京农业大学揭示OsYDA1/OsYDA2-OsMKK4-OsMPK6信号级联调控水稻绒毡层和花粉发育的分子机制

AtRKD5 inhibits the parthenogenic potential mediated by AtBBM

Qiyan Liu, Dongfen Han, Denghu Cheng, Jinfan Chen, Shujuan Tian, Jiafa Wang, Man Liu, Li Yuan

In Arabidopsis, the RWP-RK domain-containing transcription factor AtRKD5 directly represses BABY BOOM (AtBBM) in egg cells, but cannot repress the chimeric gene OsbcAta-BBM, resulting in ectopic AtBBM expression in the egg cells and initiation of parthenogenesis. The rkd5 mutants show a similar phenotype, producing haploid offspring through parthenogenesis.

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JIPB | 西北农林科技大学园艺学院袁黎团队揭示AP2转录因子AtBBM调控孤雌生殖的新机制

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