Differential Accumulation of Transcripts Encoding Sulfur Assimilation Enzymes upon Sulfur and/or Nitrogen Deprivation inArabidopsis thaliana | Zendy

Yube Yamaguchi | Zendy; Tatsuo Nakamura | Zendy; Emiko Harada | Zendy; Nozomu Koizumi | Zendy; Hiroshi Sano | Zendy

Open Access

Differential Accumulation of Transcripts Encoding Sulfur Assimilation Enzymes upon Sulfur and/or Nitrogen Deprivation inArabidopsis thaliana

Author(s) -

Yube Yamaguchi,

Tatsuo Nakamura,

Emiko Harada,

Nozomu Koizumi,

Hiroshi Sano

Publication year - 1999

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.63.762

Subject(s) - sulfur , sulfur metabolism , gene , enzyme , assimilation (phonology) , arabidopsis thaliana , biochemistry , nitrogen , biology , nitrogen assimilation , northern blot , chemistry , gene expression , mutant , linguistics , philosophy , organic chemistry

Expression of nine genes encoding enzymes involved in the sulfur assimilation pathway was examined by RNA blot hybridization. Significantly increased levels of transcripts encoding ATP sulfurylase and APS reductase were apparent under sulfur deprivation. However, in the absence of nitrogen, their responsiveness to sulfur deprivation was markedly reduced. Results suggest that the sulfur assimilation pathway is regulated at the transcriptional level by both nitrogen and sulfur sources.

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