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2016年 第58卷 第9期 刊出日期：2016-09-09

2016年 第58卷 第9期
刊出日期：2016-09-09

  

Mutation in the gene encoding 1-aminocyclopropane-1-carboxylate synthase 4 (CitACS4) led to andromonoecy in watermelon

Gaojie Ji, Jie Zhang, Haiying Zhang, Honghe Sun, Guoyi Gong, Jianting Shi, Shouwei Tian, Shaogui Guo, Yi Ren, Huolin Shen, Junping Gao, and Yong Xu

2016, 58(9):  762-765.  doi:10.1111/jipb.12466

摘要 ( 1971 )  

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In this study, we showed that the watermelon gene 1-aminocyclopropane-1-carboxylate synthase 4 (CitACS4), expressed specifically in carpel primordia, determines the andromonoecy in watermelon. The C364W mutation of CitACS4 caused its reduced activity. We believe our results will be helpful to improve the breeding production in watermelon.

An exon skipping in a SEPALLATA-Like gene is associated with perturbed floral and fruits development in cucumber

Xin Wang, Dongli Gao, Jinjing Sun, Min Liu, Yaoyao Lun, Jianshu Zheng, Shenhao Wang, Qingzhi Cui, Xiaofeng Wang, and Sanwen Huang

2016, 58(9):  766-771.  doi:10.1111/jipb.12472

摘要 ( 1710 )  

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We isolated a mutant showing perturbations in the development of floral organs and fruits in cucumber. We further identified the causative variant occurring in CsSEP2 by whole genome re-sequencing of the mutant. The variant caused the skipping of exon 6 and abolishment of the transcriptional activity, thus perturbing floral organs and fruits development.

Rice caryopsis development I: Dynamic changes in different cell layers

Xiaoba Wu, Jinxin Liu, Dongqi Li and Chun-Ming Liu

2016, 58(9):  772-785.  doi:10.1111/jipb.12440

摘要 ( 3624 )  

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Detailed morphological examinations of maternal tissues in rice caryopsis were made during the entire 30-day developmental process. This study provides a complete atlas of the dynamic changes in cell differentiation and degeneration for individual maternal cell layers of rice caryopsis.

Rice caryopsis development II: Dynamic changes in the endosperm

Xiaoba Wu, Jinxin Liu, Dongqi Li and Chun-Ming Liu

2016, 58(9):  786-798.  doi:10.1111/jipb.12488

摘要 ( 2325 )  

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In this study, we examined in detail rice endosperm development on a daily basis throughout the 30-day period of post-fertilization development. Our results provide in detail the dynamic changes in mitotic divisions, cellularization, cell differentiation, storage product accumulation, and programmed cell death that occur during rice endosperm development.

Break of symmetry in regenerating tobacco protoplasts is independent of nuclear positioning

Linda Brochhausen, Jan Maisch and Peter Nick

2016, 58(9):  799-812.  doi:10.1111/jipb.12469

摘要 ( 1367 )  

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We addressed the role of nuclear positioning for polarity induction using regenerating protoplasts, where induction of a cell axis de novo can be followed. We integrate our findings into a model, where retrograde signals travelling via the cytoskeleton from the nucleus towards the plasma membrane are required for polarity induction.