J Integr Plant Biol

Maize ZmVPP5 is a truncated Vacuole H⁺-PPase that confers hypersensitivity to salt stress

Xiaoliang Sun, Weiwei Qi, Yihong Yue, Huiling Ling, Gang Wang, and Rentao Song

2016, 58(6): 518-528. doi:10.1111/jipb.12462

摘要 ( 2124 )

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ZmVPP5 is a truncated Vacuole H⁺-PPase protein. We demonstrated that overexpressing ZmVPP5 exhibited salt hypersensitivity phenotype in transgenic maize and yeast. We also identified a ZmBag6-like protein as a ZmVPP5-interacting protein. Our study of ZmVPP5 has expanded the understanding of the origin and functions of plant truncated VPPs.

The pleiotropic ABNORMAL FLOWER AND DWARF1 affects plant height, floral development and grain yield in rice

Deyong Ren, Yuchun Rao, Liwen Wu, Qiankun Xu, Zizhuang Li, Haiping Yu, Yu Zhang, Yujia Leng, Jiang Hu, Li Zhu, Zhenyu Gao, Guojun Dong, Guangheng Zhang, Longbiao Guo, Dali Zeng, and Qian Qian

2016, 58(6): 529-539. doi:10.1111/jipb.12441

摘要 ( 2448 )

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AFD1 encoded a DUF640 domain protein and loss of its function resulted in the dwarfism, small grains, and abnormal hulls. This work aim to facilitate the understanding of the molecular mechanism of vegetative and reproductive development mediated by AFD1, and provide insight into the functions of AFD1 gene on improving grain yield.

Nonfunctional alleles of long-day suppressor genes independently regulate flowering time

Xiao-Ming Zheng, Li Feng, Junrui Wang, Weihua Qiao, Lifang Zhang, Yunlian Cheng, and Qingwen Yang

2016, 58(6): 540-548. doi:10.1111/jipb.12383

摘要 ( 2409 )

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Due to the adaptability to environments, rice varieties with diverse flowering times have been domesticated. Among hundreds of varieties, we found that varieties with nonfunctional alleles flowered significantly earlier than those with functional alleles under long-day conditions. Meanwhile, phylogeographic analysis studies suggested that the nonfunctional alleles were derived recently and independently.

Evolution and protein interactions of AP2 proteins in Brassicaceae: Evidence linking development and environmental responses

Liping Zeng, Yue Yin, Chenjiang You, Qianli Pan, Duo Xu, Taijie Jin, Bailong Zhang, and Hong Ma

2016, 58(6): 549-563. doi:10.1111/jipb.12439

摘要 ( 2485 )

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AP2 genes are important for plant development and environmental responses, and their copy numbers have been increased and then reduced during evolution. The complex protein interaction pattern uncovered here suggests numerous cross-talks between developmental regulators and those mediating environmental processes.

Jasmonic acid carboxyl methyltransferase regulates development and herbivory-induced defense response in rice

Jinfeng Qi, Jiancai Li, Xiu Han, Ran Li, Jianqiang Wu, Haixin Yu, Lingfei Hu, Yutao Xiao, Jing Lu, and Yonggen Lou

2016, 58(6): 564-576. doi:10.1111/jipb.12436

摘要 ( 2815 )

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Jasmonic acid (JA) and related metabolites play key roles in plant defense and growth. Our study shows that a JA carboxyl methyltransferase, by methylating JA to methyl jasmonate, alters levels of JA and related metabolites and thereby regulates plant development as well as herbivore-induced defense responses in rice.

Genome-scale analysis of the cotton KCS gene family revealed a binary mode of action for gibberellin A regulated fiber growth

Guang-Hui Xiao, Kun Wang, Gai Huang, and Yu-Xian Zhu

2016, 58(6): 577-589. doi:10.1111/jipb.12429

摘要 ( 2010 )

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We produced a binary mode of GA action in regulating fiber growth. GAs may act upstream of the VLCFA-ethylene pathway via activation of a large set of GhKCS genes and function concomitantly in downstream steps that result in cellulose biosynthesis by promoting CesA expressions.

A putative 6-transmembrane nitrate transporter OsNRT1.1b plays a key role in rice under low nitrogen

Xiaorong Fan, Huimin Feng, Yawen Tan, Yanling Xu, Qisong Miao and Guohua Xu

2016, 58(6): 590-599. doi:10.1111/jipb.12382

摘要 ( 2590 )

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A full size nitrate transporter usually has 12 transmembrane helixes. In here, we presented that a half size nitrate transporter, one splicing product of OsNRT1.1 gene, can also function well in nitrate transport and even behavior better than its full size product under nitrogen deficiency in rice.

A gain-of-function mutation in Msl10 triggers cell death and wound-induced hyperaccumulation of jasmonic acid in Arabidopsis

Yan Zou, Satya Chintamanani, Ping He, Hirotada Fukushige, Liping Yu, Meiyu Shao, Lihuang Zhu, David F. Hildebrand, Xiaoyan Tang, and Jian-Min Zhou

2016, 58(6): 600-609. doi:10.1111/jipb.12427

摘要 ( 1888 )

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Wounding response involves perception, transduction of wound signals and activation of wound-responsive genes. We identified a gain-of-function mutation in a mechanosensitive ion channel which is involved in the wound-triggered early signal transduction pathway and possibly in regulating the positive feedback synthesis of JA.

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