| Literature DB >> 26862180 |
Noelia Lander1, Ciro Cordeiro2, Guozhong Huang2, Roberto Docampo3.
Abstract
Inorganic polyphosphate (polyP) accumulates in acidocalcisomes, acidic calcium stores that have been found from bacteria to human cells. Proton pumps, such as the vacuolar proton pyrophosphatase (V-H(+)-PPase or VP1), the vacuolar proton ATPase (V-H(+)-ATPase) or both, maintain their acidity. A vacuolar transporter chaperone (VTC) complex is involved in the synthesis and translocation of polyP to these organelles in several eukaryotes, such as yeast, trypanosomatids, Apicomplexan and algae. Studies in trypanosomatids have revealed the role of polyP and acidocalcisomes in osmoregulation and calcium signalling.Entities:
Keywords: acidocalcisome; calcium; contractile vacuole; osmoregulation; polyphosphate
Mesh:
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Year: 2016 PMID: 26862180 PMCID: PMC4879816 DOI: 10.1042/BST20150193
Source DB: PubMed Journal: Biochem Soc Trans ISSN: 0300-5127 Impact factor: 5.407