Os01g0580500

• ACO and/or ACS knockdown IL7 rice lines to reveal that HRassociated cyanide/ethylene biosynthesis is required for the resistance to blast fungus..

Annotated Information

Function

• ACO and/or ACS knockdown IL7 rice lines to reveal that HRassociated cyanide/ethylene biosynthesis is required for the resistance to blast fungus.
• The HR-inducible rice ACS and ACO genes, OsACS2, OsACO5, and OsACO7 (Iwai et al., 2006), were silenced in IL7 line using inverted repeat (IR) constructs that included portions of the corresponding cDNAs (Fig. 1A).

Expression

Compared with control plants, which include wild-type IL7 and transgenic IL7 lines expressing only an empty vector, ethylene emissions via blast infection during this period were reduced (Fig. 2A) as well as the transcript levels of OsACO5, OsACO7, and OsACS2 (Fig. 2, B and C) in the IRACO10, IRACO101, and IRACS/ACO13 lines.

Evolution

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Labs working on this gene

• Plant-Microbe Interactions Research Unit, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305–8602, Japan (S.S., I.M., J.F., Y.O.);
• Miyagi University, Sendai, Miyagi 982–0215, Japan (T.I.);
• College of Agriculture, Ibaraki University, 3–21–1 Chuo, Ami, Ibaraki 300–0393, Japan (M.H.)

References

• Bleecker AB, Kende H(2000) Ethylene: a gaseous signal molecule in plants. Annu Rev Cell Dev Biol 16: 1–18