Functional properties and expression quantitative trait loci for phosphate transporter   GmPT1   in soybean | Zendy

SONG HAINA | Zendy; YIN ZHITONG | Zendy; CHAO MAONI | Zendy; NING LIHUA | Zendy; ZHANG DAN | Zendy; YU DEYUE | Zendy

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Functional properties and expression quantitative trait loci for phosphate transporter GmPT1 in soybean

Author(s) -

SONG HAINA,

YIN ZHITONG,

CHAO MAONI,

NING LIHUA,

ZHANG DAN,

YU DEYUE

Publication year - 2014

Publication title -

plant, cell and environment

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.646

H-Index - 200

eISSN - 1365-3040

pISSN - 0140-7791

DOI - 10.1111/pce.12170

Subject(s) - quantitative trait locus , trait , gene expression , gene , photosynthesis , limiting , biology , population , phosphate , yield (engineering) , transporter , quantum yield , genetics , chemistry , biochemistry , physics , mechanical engineering , demography , quantum mechanics , sociology , computer science , engineering , fluorescence , programming language , thermodynamics

In this paper, we analyzed the function and modulation of the soybean phosphate transporter gene GmPT 1 . Overexpression of GmPT 1 in tobacco showed that this gene played a role in P i remobilization. In a soybean RIL population, the expression level of GmPT 1 showed significantly positive correlations with seed yield, phosphorus‐use efficiency, photosynthetic rate (P N ) and the quantum yield of PSII primary photochemistry (Φ PSII ). Expression quantitative trait loci (e QTL ) mapping for GmPT 1 revealed one cis ‐e QTL and one trans ‐e QTL . These results suggest the possibility to improve soybean seed yields under P i‐limiting conditions by modulating GmPT 1 expression.

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