Unknown

Dataset Information

0

TIC236 gain-of-function mutations unveil the link between plastid division and plastid protein import.


ABSTRACT: SignificanceAlthough plastid division is critical for plant development, how components of the plastid division machinery (PDM) are imported into plastids remains unexplored. A forward genetic screen to identify suppressors of a crumpled leaf (crl) mutant deficient in plastid division led us to find dominant gain-of-function (GF) mutations in TIC236, which significantly increases the import of PDM components and completely rescues crl phenotypes. The defective plastid division phenotypes in crl and tic236-knockdown mutants and CRL-TIC236 association in a functional complex indicate that the CRL-TIC236 module is vital for plastid division. Hence, we report the first GF translocon mutants and unveil CRL as a novel functional partner of TIC236 for PDM import.

SUBMITTER: Fang J 

PROVIDER: S-EPMC8931380 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature

altmetric image

Publications

<i>TIC236</i> gain-of-function mutations unveil the link between plastid division and plastid protein import.

Fang Jun J   Li Bingqi B   Chen Lih-Jen LJ   Dogra Vivek V   Luo Shengji S   Wu Wangpin W   Wang Pengcheng P   Hwang Inhwan I   Li Hsou-Min HM   Kim Chanhong C  

Proceedings of the National Academy of Sciences of the United States of America 20220311 11


SignificanceAlthough plastid division is critical for plant development, how components of the plastid division machinery (PDM) are imported into plastids remains unexplored. A forward genetic screen to identify suppressors of a <i>crumpled leaf</i> (<i>crl</i>) mutant deficient in plastid division led us to find dominant gain-of-function (GF) mutations in <i>TIC236</i>, which significantly increases the import of PDM components and completely rescues <i>crl</i> phenotypes. The defective plastid  ...[more]

Similar Datasets

2022-11-21 | E-NASC-35 | biostudies-arrayexpress
2008-06-14 | E-GEOD-6164 | biostudies-arrayexpress
2007-01-08 | GSE6164 | GEO
| S-EPMC7038456 | biostudies-literature
| S-EPMC1808034 | biostudies-literature
| S-EPMC1299139 | biostudies-literature
| S-EPMC5328786 | biostudies-literature
| S-EPMC9259657 | biostudies-literature
| S-EPMC5487736 | biostudies-literature
| S-EPMC3322482 | biostudies-literature