Arabidopsis PLC2 is involved in auxin-modulated reproductive development

The Plant Journal : for Cell and Molecular Biology
Lin LiYan Wu

Abstract

Phospholipase C (PLC) is an enzyme that plays crucial roles in various signal transduction pathways in mammalian cells. However, the role of PLC in plant development is poorly understood. Here we report involvement of PLC2 in auxin-mediated reproductive development in Arabidopsis. Disruption of PLC2 led to sterility, indicating a significant role for PLC2 in reproductive development. Development of both male and female gametophytes was severely perturbed in plc2 mutants. Moreover, elevated auxin levels were observed in plc2 floral tissues, suggesting that the infertility of plc2 plants may be associated with increased auxin concentrations in the reproductive organs. We show that expression levels of the auxin reporters DR5:GUS and DR5:GFP were elevated in plc2 anthers and ovules. In addition, we found that expression of the auxin biosynthetic YUCCA genes was increased in plc2 plants. We conclude that PLC2 is involved in auxin biosynthesis and signaling, thus modulating development of both male and female gametophytes in Arabidopsis.

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Citations

Jan 20, 2016·Progress in Lipid Research·Yueyun HongXuemin Wang
Sep 4, 2018·Plant, Cell & Environment·Xianjun DengXuemin Wang
Feb 24, 2017·The EMBO Journal·Laurine M GillesThomas Widiez
May 23, 2020·Annual Review of Plant Biology·Friederike HaterRita Groß-Hardt
Dec 14, 2018·Frontiers in Plant Science·Ringo van WijkTeun Munnik
Apr 27, 2019·Frontiers in Plant Science·Tomáš TakáčJozef Šamaj
May 16, 2020·Journal of Experimental Botany·Akinori KibaYasufumi Hikichi
Jan 30, 2021·Frontiers in Genetics·Jiantang ZhuHui Li
May 23, 2021·Plant & Cell Physiology·Di YangYan Wu
Aug 23, 2021·Journal, Genetic Engineering & Biotechnology·Madhvi KanchanJaspreet K Sembi

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