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2017年 第59卷 第1期 刊出日期：2017-01-13

2017年 第59卷 第1期
刊出日期：2017-01-13

  

SUMO E3 Ligases GmSIZ1a and GmSIZ1b regulate vegetative growth in soybean

Bin Cai, Xiangxiong Kong, Chao Zhong, Suli Sun, Xiao Feng Zhou, Yin Hua Jin, Youning Wang, Xia Li, Zhendong Zhu, and Jing Bo Jin

2017, 59(1):  2-14.  doi:10.1111/jipb.12504

摘要 ( 1145 )  

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SUMOylation is a rapid and reversible post-translational process, which affects protein-protein interactions, protein targeting, enzymatic activity and protein stability. However, the role of SUMOylation in soybean is unknown. Here, we report that two soybean SUMO E3 ligases, GmSIZ1a and GmSIZ1b, mediate SUMO modifications and positively regulate vegetative growth in soybean.

Arabidopsis SUMO protease ASP1 positively regulates flowering time partially through regulating FLC stability

Xiangxiong Kong, Xi Luo, Gao-Ping Qu, Peng Liu, and Jing Bo Jin

2017, 59(1):  15-29.  doi:10.1111/jipb.12509

摘要 ( 1216 )  

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SUMOylation is a rapid post-translational modification, which can be reversed by SUMO proteases. Arabidopsis contains more than 60 putative SUMO proteases, but their biological functions remain largely unknown. This study identified a novel SUMO protease, ASP1, which positively regulate transition to flowering partly by repressing FLC protein stability.

ARF2 coordinates with PLETHORAs and PINs to orchestrate ABA-mediated root meristem activity in Arabidopsis

Sujittra Promchuea, Yujuan Zhu, Zhizhong Chen, Jing Zhang, and Zhizhong Gong

2017, 59(1):  30-43.  doi:10.1111/jipb.12506

摘要 ( 1884 )  

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PLETHORA 1 (PLT1) and PLT2 are two key transcription factors that regulate the root apical meristem. It is found that AUXIN RESPONSE FACTOR2 (ARF2) negatively mediates stability of PLT2 protein. Conditional overexpression of PLT2 largely promotes cell division and completely inhibits cell differentiation in root meristems of the arf2 mutant.

Sex ratio of mirid populations shifts in response to hostplant co-infestation or altered cytokinin signaling

Nora Adam, Theresa Erler, Mario Kallenbach, Martin Kaltenpoth, Grit Kunert, Ian T. Baldwin, and Meredith C. Schuman

2017, 59(1):  44-59.  doi:10.1111/jipb.12507

摘要 ( 1706 )  

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The specialist herbivore T. notatus usually has a female-biased sex ratio on N. attenuata plants. When plants are co-infested with the generalist Empoasca sp., the sex ratio of T. notatus progeny becomes more male-biased. Similar affects were observed without Empoasca sp. co-infestation on plants deficient in two cytokinin receptors.

Development and utilization of a new chemically-induced soybean library with a high mutation density

Zhongfeng Li, Lingxue Jiang, Yansong Ma, Zhongyan Wei, Huilong Hong, Zhangxiong Liu, Jinhui Lei, Ying Liu, Rongxia Guan, Yong Guo, Longguo Jin, Lijuan Zhang, Yinghui Li, Yulong Ren, Wei He, Ming Liu, Nang Myint Phyu Sin Htwe, Lin Liu, Bingfu Guo, Jian Song, Bing Tan, Guifeng Liu, Maiquan Li, Xianli Zhang, Bo Liu, Xuehui Shi, Sining Han, Sunan Hua, Fulai Zhou, Lili Yu, Yanfei Li, Shuang Wang, Jun Wang, Ruzhen Chang, and Lijuan Qiu

2017, 59(1):  60-74.  doi:10.1111/jipb.12505

摘要 ( 1255 )  

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A new ethyl methanesulfonate (EMS) -induced soybean (Glycine max) population was developed. Over one thousand mutants with diverse abnormal phenotypes across generations and environments were identified and stored in the National GenBank. Our study shows that the mutants have big potential for accelerating functional genomic research and genetic improvement in soybean.