J Integr Plant Biol

Are long corolla tubes in Pedicularis driven by pollinator selection?

Shuang-Quan Huang, Xiang-Ping Wang, and Shi-Guo Sun

2016, 58(8): 698-700. doi:10.1111/jipb.12460

摘要 ( 1956 )

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The evolution of long corolla tubes in Pedicularis species seems to break a classic “arms race” model between plants and pollinators. Quantifying manipulated corolla tube length and fitness in two Pedicularis species indicated that longer tubes were not more attractive to pollinators with more seeds than short tubes.

The wheat MYB-related transcription factor TaMYB72 promotes flowering in rice

Lichao Zhang, Guoxiang Liu, Jizeng Jia, Guangyao Zhao, Chuan Xia, Lina Zhang, Fu Li, Qiang Zhang, Chunhao Dong, Shuangcheng Gao, Longzhi Han, Xiuping Guo, Xin Zhang, Jinxia Wu, Xu Liu, and Xiuying Kong

2016, 58(8): 701-704. doi:10.1111/jipb.12461

摘要 ( 2359 )

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TaMYB72 has been identified as flowering time regulator in wheat. TaMYB72 encoded a MYB family transcription factor localized to the nucleus. Over-expression of TaMYB72 in rice shortened the flowering time by approximately 12 days. Expression analyses suggested that TaMYB72 may function through the up-regulation of rice florigen genes Hd3a and RFT1.

A simple, flexible and high-throughput cloning system for plant genome editing via CRISPR-Cas system

Hyeran Kim, Sang-Tae Kim, Jahee Ryu, Min Kyung Choi, Jiyeon Kweon, Beum-Chang Kang, Hyo-Min Ahn, Suji Bae, Jungeun Kim, Jin-Soo Kim, and Sang-Gyu Kim

2016, 58(8): 705-712. doi:10.1111/jipb.12474

摘要 ( 1635 )

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Transcriptome analysis of near-isogenic lines provides molecular insights into starch biosynthesis in maize kernel

Yingni Xiao, Shawn Thatcher, Min Wang, Tingting Wang, Mary Beatty, Gina Zastrow-Hayes, Lin Li, Jiansheng Li, Bailin Li, and Xiaohong Yang

2016, 58(8): 713-723. doi:10.1111/jipb.12455

摘要 ( 1674 )

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The transcriptomic variation of the developing kernels at 14 and 21 DAP was explored between a pair of maize near-isogenic lines, which contains different alleles for a starch QTL on chromosome 3 (qHS3). The result shows that the altered expression level of the candidate genes for qHS3 may promote starch synthesis, with positive consequences for starch content.

Expression of the inactive ZmMEK1 induces salicylic acid accumulation and salicylic acid-dependent leaf senescence

Yuan Li, Ying Chang, Chongchong Zhao, Hailian Yang and Dongtao Ren

2016, 58(8): 724-736. doi:10.1111/jipb.12465

摘要 ( 1547 )

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MAPK signaling cascades play important roles in regulating leaf senescence. We demonstrate that inactive ZmMEK1 induces SA accumulation and SA-dependent leaf senescence in its transgenic Arabidopsis plants. ZmMEK1 activates ZmSIMK1 and Arabidopsis MPK4 in vitro. Blockage of MAPK signaling increases endogenous SA accumulation in maize leaves.

Mitochondrial GPX1 silencing triggers differential photosynthesis impairment in response to salinity in rice plants

Yugo Lima-Melo, Fabricio E. L. Carvalho, Márcio O. Martins, Gisele Passaia, Rachel H. V. Sousa, Milton C. Lima Neto, Márcia Margis-Pinheiro, and Joaquim A. G. Silveira

2016, 58(8): 737-748. doi:10.1111/jipb.12464

摘要 ( 1926 )

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Glutathione peroxidases (GPX) are a gene family constituted by five members in rice plants. GPX1 is an isoform localized in mitochondria and its physiological function is scarcely known. In this paper we demonstrated that GPX1 is important to photosynthesis under normal growth and salinity conditions.

Identification and functional characterization of the AGO1 ortholog in maize

Dongdong Xu, Hailong Yang, Cheng Zou, Wen-Xue Li, Yunbi Xu and Chuanxiao Xie,

2016, 58(8): 749-758. doi:10.1111/jipb.12467

摘要 ( 1966 )

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Argonaute proteins play primary roles in miRNA and siRNA pathways that are essential for numerous developmental and biological processes in plants. The functional complementation study and expression profiling analysis demonstrated that ZmAGO1a was an important AGO1 ortholog in maize (Zea mays L.).

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