J Integr Plant Biol

Expression of auxin synthesis gene tms1 under control of tuber-specific promoter enhances potato tuberization in vitro

Oksana O. Kolachevskaya, Valeriya V. Alekseeva, Lidiya I. Sergeeva, Elena B. Rukavtsova, Irina A. Getman, Dick Vreugdenhil, Yaroslav I. Buryanov, and Georgy A. Romanov

2015, 57(9): 734-744. doi:10.1111/jipb.12314

摘要 ( 2974 )

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Potato plants were transformed with pBinB33-tms1 vector assuring predominant expression of auxin synthesis gene in tubers. B33:tms1-transformants showed accelerated and intensified in vitro tuberization with reduced dependence on photoperiod and carbohydrate supply. Our data imply an important role for auxin in potato tuberization and offer prospects to magnify potato productivity.

Characterization and molecular cloning of a serine hydroxymethyltransferase 1 (OsSHM1) in rice

Dekai Wang, Heqin Liu, Sujuan Li, Guowei Zhai, Jianfeng Shao, and Yuezhi Tao

2015, 57(9): 745-756. doi:10.1111/jipb.12336

摘要 ( 2460 )

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OsSHM1, an ortholog of Arabidopsis SHM1 in rice, was cloned and characterized. The osshm1 mutant showed a typical photorespiratory phenotype and was subjected to significant oxidative stress. Insight into the specific details of the photorespiratory pathway in rice will be beneficial to reduce photorespiration and enhance rice productivity.

Characterization of tub4^P287L, a β-tubulin mutant, revealed new aspects of microtubule regulation in shade

Jie Yu, Hong Qiu, Xin Liu, Meiling Wang, Yongli Gao, Joanne Chory, and Yi Tao

2015, 57(9): 757-769. doi:10.1111/jipb.12363

摘要 ( 2617 )

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Cortical microtubules (cMTs) play a key role in anisotropic cell growth. We found both the organization patterns and dynamics of cMTs are altered in shade. P287 residue in TUB4 is critical for microtubule stability and regulation, which may affect the ability of cMTs to respond properly to growth promoting stimuli.

Expressing an (E)-β-farnesene synthase in the chloroplast of tobacco affects the preference of green peach aphid and its parasitoid

Gen-Ping Wang, Xiu-Dao Yu, Jia Fan, Cheng-She Wang, and Lan-Qin Xia

2015, 57(9): 770-782. doi:10.1111/jipb.12319

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(E)-β-farnesene (EβF) is the main component of the aphid alarm pheromones, and also functions as a kairomone in attracting aphids’ predators and parasitoids. Expressing EβF synthase in tobacco chloroplast could be an effective strategy for aphid control through continuously emitting EβF to repel aphids and attract aphids’ enemies.

Genome-wide identification, expression analysis of auxin-responsive GH3 family genes in maize (Zea mays L.) under abiotic stresses

Shangguo Feng, Runqing Yue, Sun Tao, Yanjun Yang, Lei Zhang, Mingfeng Xu, Huizhong Wang, and Chenjia Shen

2015, 57(9): 783-795. doi:10.1111/jipb.12327

摘要 ( 3479 )

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Thirteen ZmGH3 genes were characterized and analyzed from maize (Zea mays L.). The responsiveness of ZmGH3 genes to various abiotic stresses and stress-related hormones suggested that ZmGH3s are involved in maize tolerance to environmental stresses. Various environmental factors affect the growth of maize by altering GH3-mediated auxin levels.

Arabidopsis PED2 positively modulates plant drought stress resistance

Haitao Shi, Tiantian Ye, Fan Yang, and Zhulong Chan

2015, 57(9): 796-806. doi:10.1111/jipb.12330

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Arabidopsis Peroxisome defective 2 (AtPED2) is involved in the intracellular transport of thiolase from the cytosol to glyoxysomes, and perosisomal matrix protein import in plants. This study shows the positive role for AtPED2 in drought resistance, through modulation of ABA sensitivity, stress-responsive genes expression, ROS metabolism, and metabolic homeostasis.

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