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Hemoglobins in the genome of the cryptomonad Guillardia theta - Zurich Open Repository and Archive


Smith, David R; Vinogradov, Serge N; Hoogewijs, David (2014). Hemoglobins in the genome of the cryptomonad Guillardia theta. Biology Direct, 9:7.

Abstract

Cryptomonads, are a lineage of unicellular and mostly photosynthetic algae, that acquired their plastids through the “secondary” endosymbiosis of a red alga — and still retain the nuclear genome (nucleomorph) of the latter. We find that the genome of the cryptomonad Guillardia theta comprises genes coding for 13 globin domains, of which 6 occur within two large chimeric proteins. All the sequences adhere to the vertebrate 3/3 myoglobin fold. Although several globins have no introns, the remainder have atypical intron locations. Bayesian phylogenetic analyses suggest that the G. theta Hbs are related to the stramenopile and chlorophyte single domain globins.

Abstract

Cryptomonads, are a lineage of unicellular and mostly photosynthetic algae, that acquired their plastids through the “secondary” endosymbiosis of a red alga — and still retain the nuclear genome (nucleomorph) of the latter. We find that the genome of the cryptomonad Guillardia theta comprises genes coding for 13 globin domains, of which 6 occur within two large chimeric proteins. All the sequences adhere to the vertebrate 3/3 myoglobin fold. Although several globins have no introns, the remainder have atypical intron locations. Bayesian phylogenetic analyses suggest that the G. theta Hbs are related to the stramenopile and chlorophyte single domain globins.

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2 citations in Web of Science®
2 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Physiology
07 Faculty of Science > Institute of Physiology

04 Faculty of Medicine > Center for Integrative Human Physiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2014
Deposited On:05 Feb 2015 13:50
Last Modified:05 Aug 2017 18:50
Publisher:BioMed Central
ISSN:1745-6150
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:https://doi.org/10.1186/1745-6150-9-7
PubMed ID:24885221

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