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2016年 第58卷 第12期 刊出日期：2016-12-06

2016年 第58卷 第12期
刊出日期：2016-12-06

  

Loss of algal Proton Gradient Regulation 5 increases reactive oxygen species scavenging and H₂ evolution

Mei Chen, Jin Zhang, Lei Zhao, Jiale Xing, Lianwei Peng, Tingyun Kuang, Jean-David Rochaix, and Fang Huang

2016, 58(12):  943-946.  doi:10.1111/jipb.12502

摘要 ( 1312 )  

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We identified and characterized a Chlamydomonas mutant (hpm91) lacking PGR5 which can produce H₂ for 25 days with a more than 30-fold increase in yield as compared to wild type. This capacity exceeds that of another pgr5 mutant and qualifies hpm91 as the algal strain with the highest H₂-photoproduction.

Alternative splicing enhances transcriptome complexity in desiccating seeds

Arunkumar Srinivasan, José M. Jiménez-Gómez, Fabio Fornara, Wim J. J. Soppe, and Vittoria Brambilla

2016, 58(12):  947-958.  doi:10.1111/jipb.12482

摘要 ( 1579 )  

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Dry seeds, that are important for plant reproduction and human nutrition, are produced after a critical seed desiccation phase. We studied genes expression and alternative splicing events at a genome level during this phase. Our findings show that many of the expressed genes are regulated by alternative splicing and that splicing could affect protein function.

Transcription factors AS1 and AS2 interact with LHP1 to repress KNOX genes in Arabidopsis

Zhongfei Li, Bin Li, Jian Liu, Zhihao Guo, Yuhao Liu, Yan Li, Wen-Hui Shen, Ying Huang, Hai Huang, Yijing Zhang, and Aiwu Dong

2016, 58(12):  959-970.  doi:10.1111/jipb.12485

摘要 ( 1634 )  

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The transcription factors ASYMMETRIC LEAVES 1 (AS1) and AS2 directly interact with LIKE HETEROCHROMATIN PROTEIN 1 (LHP1), a reader protein of H3K27me3, and repress the expression of Class-I KNOX genes BP and KNAT2 via establishment of H3K27me3 modification during leaf development in Arabidopsis.

RLS3, a protein with AAA+ domain localized in chloroplast, sustains leaf longevity in rice

Yanhui Lin, Lubin Tan, Lei Zhao, Xianyou Sun and Chuanqing Sun

2016, 58(12):  971-982.  doi:10.1111/jipb.12487

摘要 ( 1577 )  

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Leaf senescence is the final stage in plant development and associated with grain yield and plant quality. Here we isolated RLS3 gene, which delayed leaf senescence and restored grain yield in rice. Loss function of RLS3 gene caused growth retardation and grain yield reduction.

NARROW AND ROLLED LEAF 2 regulates leaf shape, male fertility, and seed size in rice

Shuangshuang Zhao, Lei Zhao, Fengxia Liu, Yongzhen Wu, Zuofeng Zhu, Chuanqing Sun, and Lubin Tan

2016, 58(12):  983-996.  doi:10.1111/jipb.12503

摘要 ( 1516 )  

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NRL2 encodes a novel protein and plays numerous important roles during rice growth and development. Its mutation causes a reduction in the number of longitudinal veins, defective abaxial sclerenchymatous cell differentiation, abnormal tapetum degeneration and microspore development, and more slender seeds compared with the wild type.