Photosynthesis and photoprotection under drought in the annual desert plant Anastatica hierochuntica

Title:

Photosynthesis and photoprotection under drought in the annual desert plant Anastatica hierochuntica

Creator:

Eppel, A. and Rachmilevitch, S.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:ebf97d17-f7fc-46fb-aa7a-2f0e871c2506
uuid:ebf97d17-f7fc-46fb-aa7a-2f0e871c2506
issn:0300-3604
doi:10.1007/s11099-015-0161-y

Subject:

fotosyntéza, photosynthesis, abiotic stress, relative water content, stomatal conductance, 2, and 581

Type:

model:article and TEXT

Format:

print, bez média, and svazek

Description:

Anastatica hierochuntica is an annual desert plant, which was recently shown to have unusually low nonphotochemical quenching (NPQ) and a high PSII electron transport rate (ETR). In the current study, we examined how these unusual characteristics are related to a lack of CO2 and inhibition of net photosynthetic rate (P N). We compared the photosynthetic and photoprotective response of A. hierochuntica and sunflower (Helianthus annuus), under conditions of photosynthetic inhibition, with either low CO2 or drought. We found that under nonsteady state conditions of low CO2 availability, A. hierochuntica exhibited about half of the NPQ values and almost twice of the ETR values of H. annuus. However, the long-term inhibition of P N under drought caused a similar increase in NPQ and a decrease in ETR in both A. hierochuntica and H. annuus. These results suggest that the unusually low NPQ and high ETR in A. hierochuntica are not directly related to a response to drought conditions., A. Eppel, S. Rachmilevitch., and Obsahuje seznam literatury

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

143-147

Source:

Photosynthetica | 2016 Volume:54 | Number:1

Harvested from:

CDK

Metadata only:

false