Light Quality Modulates Plant Cold Response and Freezing Tolerance

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389030%3A_____%2F22%3A00563373" target="_blank" >RIV/61389030:_____/22:00563373 - isvavai.cz</a>

Alternative codes found

RIV/68081707:_____/22:00563373 RIV/62156489:43210/22:43921671

Result on the web

<a href="https://doi.org/10.3389/fpls.2022.887103" target="_blank" >https://doi.org/10.3389/fpls.2022.887103</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3389/fpls.2022.887103" target="_blank" >10.3389/fpls.2022.887103</a>

Result language

angličtina

Original language name

Light Quality Modulates Plant Cold Response and Freezing Tolerance

Original language description

The cold acclimation process is regulated by many factors like ambient temperature, day length, light intensity, or hormonal status. Experiments with plants grown under different light quality conditions indicate that the plant response to cold is also a light-quality-dependent process. Here, the role of light quality in the cold response was studied in 1-month-old Arabidopsis thaliana (Col-0) plants exposed for 1 week to 4 degrees C at short-day conditions under white (100 and 20 mu mol m(-2)s(-1)), blue, or red (20 mu mol m(-2)s(-1)) light conditions. An upregulated expression of CBF1, inhibition of photosynthesis, and an increase in membrane damage showed that blue light enhanced the effect of low temperature. Interestingly, cold-treated plants under blue and red light showed only limited freezing tolerance compared to white light cold-treated plants. Next, the specificity of the light quality signal in cold response was evaluated in Arabidopsis accessions originating from different and contrasting latitudes. In all but one Arabidopsis accession, blue light increased the effect of cold on photosynthetic parameters and electrolyte leakage. This effect was not found for Ws-0, which lacks functional CRY2 protein, indicating its role in the cold response. Proteomics data confirmed significant differences between red and blue light-treated plants at low temperatures and showed that the cold response is highly accession-specific. In general, blue light increased mainly the cold-stress-related proteins and red light-induced higher expression of chloroplast-related proteins, which correlated with higher photosynthetic parameters in red light cold-treated plants. Altogether, our data suggest that light modulates two distinct mechanisms during the cold treatment red light-driven cell function maintaining program and blue light-activated specific cold response. The importance of mutual complementarity of these mechanisms was demonstrated by significantly higher freezing tolerance of cold-treated plants under white light.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10610 - Biophysics

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Frontiers in Plant Science

ISSN

1664-462X

e-ISSN

1664-462X

Volume of the periodical

13

Issue of the periodical within the volume

JUN 9

Country of publishing house

CH - SWITZERLAND

Number of pages

17

Pages from-to

887103

UT code for WoS article

000815144300001

EID of the result in the Scopus database

2-s2.0-85133409049