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Cited by 282

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Cloning and analysis of the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) biosynthesis genes of Aeromonas caviae

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Fukui, T, Doi, Y·1997·Journal of Bacteriology

Abstract

A 5.0-kbp EcoRV-EcoRI restriction fragment was cloned and analyzed from genomic DNA of Aeromonas caviae, a bacterium producing a copolyester of (R)-3-hydroxybutyrate (3HB) and (R)-3-hydroxyhexanoate (3HHx) [P(3HB-co-3HHx)] from alkanoic acids or oils. The nucleotide sequence of this region showed a 1,782-bp poly (3-hydroxyalkanoate) (PHA) synthase gene (phaC(Ac) [i.e., the phaC gene from A. caviae]) together with four open reading frames (ORF1, -3, -4, and -5) and one putative promoter region. The cloned fragments could not only complement PHA-negative mutants of Alcaligenes eutrophus and Pseudomonas putida, but also confer the ability to synthesize P(3HB-co-3HHx) from octanoate or hexanoate on the mutants' hosts. Furthermore, coexpression of ORF1 and ORF3 genes with phaC(Ac) in the A. eutrophus mutant resulted in a decrease in the polyester content of the cells. Escherichia coli expressing ORF3 showed (R)-enoyl-coenzyme A (CoA) hydratase activity, suggesting that (R)-3-hydroxyacyl-CoA monomer units are supplied via the (R)-specific hydration of enoyl-CoA in A. caviae. The transconjugant of the A. eutrophus mutant expressing only phaC(Ac) effectively accumulated P(3HB-co-3HHx) up to 96 wt% of the cellular dry weight from octanoate in one-step cultivation.

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Metadata

Authors
Fukui, T., & Doi, Y.
Venue
Journal of Bacteriology
Published
1997-08
Volume
179
Issue
15
Pages
4821-4830
ISSN
  • 0021-9193 (ISSN-L)
  • 1098-5530
OpenAlex
W1801659885
Cited by
282
References
38
FWCI
12.16
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Cloning and analysis of the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) biosynthesis genes of Aeromonas caviae. https://app.cochat.ai/papers/10.1128/jb.179.15.4821-4830.1997
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Fukui, T., & Doi, Y. (1997). Cloning and analysis of the poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) biosynthesis genes of Aeromonas caviae. Journal of Bacteriology. https://doi.org/10.1128/jb.179.15.4821-4830.1997

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