Spatiotemporal changes in gibberellin content are required for soybean nodulation

Autor:	Xitong Chu, Huanan Su, Satomi Hayashi, Peter M. Gresshoff, Brett J. Ferguson
Rok vydání:	2022
Předmět:	Gene Expression Regulation Plant Physiology Fabaceae Bradyrhizobium Soybeans Plant Science Root Nodules Plant Symbiosis Plant Root Nodulation Plant Roots Gibberellins Plant Proteins
Zdroj:	New Phytologist. 234:479-493
ISSN:	1469-8137 0028-646X
DOI:	10.1111/nph.17902
Popis:	The plant hormone gibberellin (GA) is required at different stages of legume nodule development, with its spatiotemporal distribution tightly regulated. Transcriptomic and bioinformatic analyses established that several key GA biosynthesis and catabolism enzyme encoding genes are critical to soybean (Glycine max) nodule formation. We examined the expression of several GA oxidase genes and used a Förster resonance energy transfer-based GA biosensor to determine the bioactive GA content of roots inoculated with DsRed-labelled Bradyrhizobium diazoefficiens. We manipulated the level of GA by genetically disrupting the expression of GA oxidase genes. Moreover, exogenous treatment of soybean roots with GA
Databáze:	OpenAIRE
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