Plant Signaling & Behavior

Journal Information
ISSN / EISSN : 15592324 / 15592324
Current Publisher: Public Library of Science (PLoS) (10.1371)
Former Publisher: Wiley (10.1111) , Oxford University Press (OUP) (10.1093) , Informa UK Limited (10.4161) Informa UK Limited (10.1080)
Total articles ≅ 3,844
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Latest articles in this journal

Hao Liu, Ying Yang, Linsheng Zhang
Published: 12 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1678370

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Guizhen Lyu, Dongbing Li, Shaoshan Li, Hongpeng Hu
Published: 9 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1675471

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Huiru Jiang, Zhichao Jia, Sian Liu, Beibei Zhao, Weixing Li, Biao Jin, Li Wang
Published: 9 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1674606

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Xia Sun, Yufen Zhuang, Honghui Lin, Huapeng Zhou
Published: 7 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1675472

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Ole Reinholdt, Hermann Bauwe, Martin Hagemann, Stefan Timm
Published: 7 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1674607

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Umarah Mubeen, Patrick Giavalisco, Camila Caldana
Published: 4 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1670595

Abstract:The allocation of nutrient resources to growth and metabolism is an essential function for controlling biomass accumulation in photoautotrophic organisms. One essential protein complex involved in this process is the target of rapamycin (TOR) kinase. It has been shown that the inhibition of TOR leads to a considerable upsurge in the amino acid levels. This molecular phenotype relies mainly on the availability of light, carbon (C) and nitrogen (N). To validate the time-resolved response of C and N metabolites, we used a targeted gas chromatography mass spectrometery (GC-MS)-based metabolomic approach, where we examined the response of Chlamydomonas reinhardtii upon TOR inhibition under C-limited condition, namely extended darkness. Contrary to C-supplemented conditions, the rapid increase in the amino acid levels is suppressed almost completely 4 h after TOR inhibition, confirming that C supply is essential to raise the amino acid levels mediated by their de novo synthesis. An exception to this observation was the levels of aspartate, which is presumably synthesized via the anaplerotic pathway. In agreement with previous reports, TOR repression, under these C-limited conditions, leads to a significant reduction in the C/N ratio, corroborating with the crucial role of the pathway in maintaining the metabolic balance of the cells and consequently propelling growth.
Greg C. Vanlerberghe, Keshav Dahal, Avesh Chadee
Published: 4 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1675473

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Yunfei Wu, Wangmenghan Peng, Fei Xiong
Published: 3 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1656949

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Ruo-Xi Zhang, Siwen Li, Jingjing He, Yun-Kuan Liang
Published: 3 October 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1669418

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Mansi Gogna, Satish C. Bhatla
Published: 30 September 2019
Plant Signaling & Behavior; doi:10.1080/15592324.2019.1670597

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