Streptomycin mimics the cool temperature response in rice plants

Riichiro Yoshida, Tadashi Sato, Akira Kanno, Toshiaki Kameya

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Exogenous application of streptomycin to etiolated seedlings of rice (Oryza sativa L.) during growth in darkness at moderate temperatures induced the same type of chlorosis as that elicited by cool temperatures. A comparison of sensitive (indica) tolerant (Japonica) cultivars indicated a close relationship between sensitivity to streptomycin and cool temperatures. Immunoblot (Rubisco LSU, SSU; CF1 complex of H+ -ATPase; NADPH-protochlorophyllide oxidoreductase) and Northern blot analyses of plastid-encoded genes (16S rRNA; rbcL; rpoB; petB) in the streptomycin-treated sensitive cultivars revealed that the normal etioplast development was specifically inhibited by the antibiotic. Furthermore, the antibiotic did not affect the expression of mitochondrion-encoded genes (18S rRNA; atpA), which are also unaffected cool temperatures. These result suggest that the effect of the antibiotic is quite similar to that of cool temperatures.

Original languageEnglish
Pages (from-to)221-227
Number of pages7
JournalJournal of experimental botany
Volume49
Issue number319
DOIs
Publication statusPublished - 1998 Feb

Keywords

  • Chlorosis
  • Cool temperature
  • Plastid development
  • Rice
  • Streptomycin

ASJC Scopus subject areas

  • Physiology
  • Plant Science

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