Cotton bracts are adapted to a microenvironment of concentrated CO2 produced by rapid fruit respiration
Hu, Yuan-Yuan; Oguchi, Riichi; Yamori, Wataru; von Caemmerer, Susanne; Chow, Wah Soon; Zhang, Wang-Feng
BACKGROUND and AIMS: Elucidation of the mechanisms by which plants adapt to elevated CO2 is needed; however, most studies of the mechanisms investigated the response of plants adapted to current atmospheric CO2. The rapid respiration rate of cotton (Gossypium hirsutum) fruits (bolls) produces a concentrated CO2 microenvironment around the bolls and bracts. It has been observed that the intercellular CO2 concentration of a whole fruit (bract and boll) ranges from 500 to 1300 µmol mol−1 depending...[Show more]
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|Source:||Annals of Botany 112 (2013): 31–40|
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