Guard cell ABA and CO2 signaling network updates and Ca2+ sensor priming hypothesis

Maria Israelsson, Robert S. Siegel, Jared Young, Mimi Hashimoto, Koh Iba, Julian I. Schroeder

研究成果: Contribution to journalReview article査読

131 被引用数 (Scopus)


Stomatal pores in the epidermis of plants enable gas exchange between plants and the atmosphere, a process vital to plant life. Pairs of specialized guard cells surround and control stomatal apertures. Stomatal closing is induced by abscisic acid (ABA) and elevated CO2 concentrations. Recent advances have been made in understanding ABA signaling and in characterizing CO2 transduction mechanisms and CO2 signaling mutants. In addition, models of Ca2+-dependent and Ca2+-independent signaling in guard cells have been developed and a new hypothesis has been formed in which physiological stimuli are proposed to prime Ca2+ sensors, thus enabling specificity in Ca2+-dependent signal transduction.

ジャーナルCurrent Opinion in Plant Biology
出版ステータス出版済み - 12 2006

All Science Journal Classification (ASJC) codes

  • Plant Science

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