Energy Transfer from Phycobilisomes to Photosystems of Nostoc flagelliforme Born. et Flah. During the Rewetting Course and Its Physiological Significance

: During the non‐frost season, the condensation of dew makes Nostoc flagelliforme Born. et Flah., a highly drought‐tolerant terrestrial cyanobacterium, frequently undergo rehydration‐dehydration. Rehydration begins in the dark at night. After rewetting in the dark, photochemical activity and the str...

Full description

Saved in:
Bibliographic Details
Published in:Journal of integrative plant biology 2005-06, Vol.47 (6), p.703-708
Main Authors: HUANG, Hui, BAI, Ke-Zhi, ZHONG, Ze-Pu, LI, Liang-Bi, KUANG, Ting-Yun
Format: Article
Language:English
Subjects:
dark
energy transfer
Nostoc flagelliforme
photosystem II
phycobilisome
rewetting
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:: During the non‐frost season, the condensation of dew makes Nostoc flagelliforme Born. et Flah., a highly drought‐tolerant terrestrial cyanobacterium, frequently undergo rehydration‐dehydration. Rehydration begins in the dark at night. After rewetting in the dark, photochemical activity and the structure of photosystem (PS) II were not recovered at all; the structure of PSI, energy transfer in phycobilisomes, and energy transfer from phycobilisomes to PSI were recovered within 5 min, as in the light. The recovery of energy transfer from phycobilisomes to PSII was light dependent and energy transfer from phycobilisomes to PSII was only partially recovered in the dark. These results suggest that the two‐trigger control (water and light) of photo synthetic recovery may make N. flagelliforme avoid unnecessary energy consumption and, at the same time, the partial recovery of energy transfer from phycobilisomes to PSII in the dark could help N. flagelliforme accumulate more photosynthetic products during the transient period of rehydration‐dehydration. (Managing editor: Ping HE)
ISSN:1672-9072
1744-7909
DOI:10.1111/j.1744-7909.2005.00105.x