Symbiosome functionality in Medicago truncatula nodules requires continuous clearing of pectins from the symbiosome space

Yongkang Gao, Lei Chen, Wei Yang, Tong Yue, Qianqian Li, Kuan Chen, Jing Yuan, Xia Li, Thomas Ott, Chao Su · 2025

Read Symbiosome functionality in Medicago truncatula nodules requires continuous clearing of pectins from the symbiosome space by Yongkang Gao, Lei Chen, Wei Yang, Tong Yue, Qianqian Li, Kuan Chen, Jing Yuan, Xia Li, Thomas Ott, Chao Su (2025) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-12705784.txt.

Description

Yongkang Gao and co-authors study how a clover-like plant keeps its root nodules clean inside in a 2025 paper. In the nodules, partner germs turn air nitrogen into food for the plant, housed in sacs made by the host. Those sacs must stay free of wall stuff, yet the rest of the cell is walled, so the gap needs care.

The team found two genes that switch on for this pact and ship wall-chewing enzymes into the sac space. Muting or cutting those genes let a wall gum pile up, and the nodules aged and failed fast. The gum also curbed germ growth in dish tests. Host clearing is thus a must for the pact.

Catalog record

CREATORYongkang Gao, Lei Chen, Wei Yang, Tong Yue, Qianqian Li, Kuan Chen, Jing Yuan, Xia Li, Thomas Ott, Chao Su
YEAR2025
COLLECTIONPAPERS
FORMATTXT
FILE SIZE47 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC12705784

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