iBet uBet web content aggregator. Adding the entire web to your favor.
iBet uBet web content aggregator. Adding the entire web to your favor.



Link to original content: https://pubmed.ncbi.nlm.nih.gov/19719642/
Ultrastructural changes in Chlamydomonas acidophila (Chlorophyta) induced by heavy metals and polyphosphate metabolism - PubMed Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2003 May 1;44(2):253-9.
doi: 10.1016/S0168-6496(03)00049-7.

Ultrastructural changes in Chlamydomonas acidophila (Chlorophyta) induced by heavy metals and polyphosphate metabolism

Kahoko Nishikawa  1 , Yoko Yamakoshi, Isao Uemura, Noriko Tominaga
Affiliations
Free article

Ultrastructural changes in Chlamydomonas acidophila (Chlorophyta) induced by heavy metals and polyphosphate metabolism

Kahoko Nishikawa et al. FEMS Microbiol Ecol. .
Free article

Abstract

Ultrastructural changes induced by heavy metals (cadmium, zinc, and copper) and polyphosphate metabolism were studied in Chlamydomonas acidophila. Transmission electron microscopy indicated that cadmium led to the most drastic morphometric changes. An increase in number and volume of starch grains and vacuoles as well as the presence of electron dense deposits in vacuole and membrane whorls were observed. Energy-dispersive X-ray analysis revealed that vacuolar deposits inside cells treated with cadmium contained phosphate and cadmium. These ultrastructural changes were accompanied by a change in the intracellular polyphosphate level, as shown by in vivo (31)P-nuclear magnetic resonance. It was also observed that cadmium treatment caused polyphosphate degradation and increased vacuolar short-chains and orthophosphates.

PubMed Disclaimer

Similar articles

See all similar articles

Cited by

See all "Cited by" articles