Search

Start Over Coverage 355-360

1. Coordinate expression of light-harvesting chlorophyll a/b gene family of photosystem II and chlorophyll a oxygenase gene regulated by salt-induced phosphorylation in Dunaliella salina

Creator:
Chen, W. M., Jin, N., Shi, Y., Su, Y. Q., Fei, B. J., Li, W., Qiao, D. R., and Cao, Y.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
botanika, botany, Dunaliella salina, high salinity, light-harvesting chlorophyll a/b proteins, phosphorylation, and simultaneous regulation
Language:
Multiple languages
Description:
As a stress factor, salt induces the phosphorylation of light-harvesting chlorophyll (Chl) a/b proteins (LHCII) in Dunaliella salina. In this study, we found that the salt-induced phosphorylation of LHCII was not affected by phosphatase, and that salt simultaneously regulated both the phosphorylation of LHCII and the expression of genes encoding light-harvesting Chl a/b proteins of photosystem II (lhcb) and the gene encoding Chl a oxygenase (cao) in dark-adapted D. salina. The mRNA accumulation patterns of lhcb and cao were similar, which further affected the size of LHCII and the ratio of Chl a to Chl b. Therefore, we inferred this simultaneous regulation is one of the mechanisms of D. salina to adapt to the high-salinity environment. and W. M. Chen ... [et al.].
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public

2. Reflectance indices indicative of changes in water and pigment contents of peanut and wheat leaves

Creator:
Peñuelas, J. and Inoue, Y.
Format:
bez média and svazek
Type:
model:article and TEXT
Subject:
Arachis, leaf desiccation, normalized difference vegetation index, relative water content, structural independent pigment index, Triticum, and water index
Language:
Multiple languages
Description:
Measurements of reflectance in visible and near-infrared spectral regions were made on detached leaves of two crop species of different leaf morphology, structure, and water content (peanut and wheat) throughout progressive desiccation. Relative water content (RWC) was well correlated with water index (WI) but even better with the ratio of WI and normalized difference vegetation index. RWC was also significantly correlated with structural independent pigment index indicative of carotenoids/chlorophyll ratio. New indication is thus provided to assess leaf water content and apply simple and fast radiometric techniques for plant water stress management. and J. Peñuelas, Y. Inoue.
Rights:
http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public