Abstract:
KEY MESSAGE:Rice and chickpea GDPD s are transcriptionally influenced by mineral deficiencies; especially, by phosphate starvation and CaGDP1 encodes an active glycerophosphodiester phosphodiesterase enzyme. Glycerophosphodiester phosphodiesterases (GDPDs) are enzymes involved in the degradation of glycerophosphodiesters into sn-glycerol-3-phosphate and corresponding alcohols. These phospholipid remodeling genes have been suggested to play important roles in phosphate homeostasis. However, comprehensive information about the role of GDPDs under low phosphate (P) and other nutrient deficiencies (N, K, Fe, Zn) in rice and chickpea is missing. Here, we identified 13 OsGDPDs and 6 CaGDPDs in rice and chickpea, respectively, and partly characterized their roles in multiple nutrient stresses. Expression profiling after 7 and 15 days of deficiency treatments revealed unique and overlapping differential expression patterns of OsGDPDs and CaGDPDs under different nutrient stresses. Principal component analysis on the expression patterns of OsGDPDs and CaGDPDs revealed their preferential role in P starvation. Some of the GDPDs were also induced by N, K, Fe and Zn deficiency in temporal manner in both crops suggesting their roles in multiple nutrient stresses. Biochemical characterization of highly responsive chickpea GDPD, CaGDPD1, confirmed its in vitro GDPD activity and revealed its optimal temperature, pH and cofactor requirements. Further, CaGDPD1 showed its accumulation in ER and endomembranes. We hereby propose CaGDPD1 and various OsGDPDs as low P responsive marker genes in chickpea and rice, respectively. Our data uphold role of GDPDs in multinutrient responses and suggest them as candidates for rice and chickpea improvement for tolerance to various nutrient deficiencies.
journal_name
Plant Cell Repjournal_title
Plant cell reportsauthors
Mehra P,Giri Jdoi
10.1007/s00299-016-1984-0subject
Has Abstractpub_date
2016-08-01 00:00:00pages
1699-717issue
8eissn
0721-7714issn
1432-203Xpii
10.1007/s00299-016-1984-0journal_volume
35pub_type
杂志文章abstract:KEY MESSAGE:This study established an efficient method of regenerating plants of Ficus lyrata and producing purple-leaved F. lyrata plants through genetic transformation using a VvMybA1 gene of grapevine. ABSTRACT:Ficus lyrata, a species with unique violin- or guitar-shaped leaves, was regenerated from leaf-derived ca...
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:1993-12-01 00:00:00
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journal_title:Plant cell reports
pub_type: 杂志文章,评审
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更新日期:2016-09-01 00:00:00
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journal_title:Plant cell reports
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2010-06-01 00:00:00
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journal_title:Plant cell reports
pub_type: 杂志文章
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journal_title:Plant cell reports
pub_type: 杂志文章
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journal_title:Plant cell reports
pub_type: 杂志文章
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pub_type: 杂志文章,评审
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更新日期:2003-06-01 00:00:00