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Transcriptome analysis provides insights into the root response of Chinese fir to phosphorus deficiency by Wanting Chen; Mengyan Zhou; Mingzhen Zhao; Ranhong Chen; Mulualem Tigabu; Pengfei Wu; Ming Li; Xiangqing Ma is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract ## Background Phosphorus is one of the essential elements for plant growth and development, but available phosphorus (Pi) content in many soil types is low. As a fast-growing tree species for timber production, Chinese fir is in great demand of Pi, and the lack of Pi in soil restricts the increase of productivity of Chinese fir plantation. Root morphology and the synthesis and secretion of organic acids play an important role in the uptake of phosphorus, but the molecular mechanisms of Chinese fir root responses to Pi deficiency are largely unexplored. In this study, seedlings of Yang 061 clone were grown under three Pi supply levels (0, 5 and 10 mg·L-1 P) and morphological attributes, organic acid content and enzyme activity were measured. The transcriptome data of Chinese fir root system were obtained and the expression levels of phosphorus responsive genes and organic acid synthesis related genes on citric acid and glyoxylate cycle pathway were determined. ## Results We annotated 50,808 Unigenes from the transcriptome of Chinese fir roots. Among differentially expressed genes, seven genes of phosphate transporter family and 17 genes of purple acid phosphatase family

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Author

Wanting Chen; Mengyan Zhou; Mingzhen Zhao; Ranhong Chen; Mulualem Tigabu; Pengfei Wu; Ming Li; Xiangqing Ma

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)