ArticleCurrent genetics
The presence of a nucleomorph hsp70 gene is a common feature of Cryptophyta and Chlorarachniophyta.
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10 citing papers in PubMed, 43 citations in OpenAlex.
- Comparative genomics of mitochondria in chlorarachniophyte algae: endosymbiotic gene transfer and organellar genome dynamics.Scientific reports · 2016Article
- Nucleomorph Genome Sequences of Two Chlorarachniophytes, Amorphochlora amoebiformis and Lotharella vacuolata.Genome biology and evolution · 2015Article
- Complete nucleomorph genome sequence of the nonphotosynthetic alga Cryptomonas paramecium reveals a core nucleomorph gene set.Genome biology and evolution · 2011Article
- The endosymbiotic origin, diversification and fate of plastids.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2010Review
- Nucleomorph genome of Hemiselmis andersenii reveals complete intron loss and compaction as a driver of protein structure and function.Proceedings of the National Academy of Sciences of the United States of America · 2007Article
- Retrotransposons and tandem repeat sequences in the nuclear genomes of cryptomonad algae.Journal of molecular evolution · 2007Article
- Solution structure of a zinc substituted eukaryotic rubredoxin from the cryptomonad alga Guillardia theta.Protein science : a publication of the Protein Society · 2000Article
- Chloroplast protein and centrosomal genes, a tRNA intron, and odd telomeres in an unusually compact eukaryotic genome, the cryptomonad nucleomorph.Proceedings of the National Academy of Sciences of the United States of America · 2000Article
- Eukaryotic non-coding DNA is functional: evidence from the differential scaling of cryptomonad genomes.Proceedings. Biological sciences · 1999Article
- Evolutionary origin of cryptomonad microalgae: two novel chloroplast/cytosol-specific GAPDH genes as potential markers of ancestral endosymbiont and host cell components.Journal of molecular evolution · 1997Article
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4 authors.
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Abstract
Cryptomonad algae and Chlorarachniophyta are evolutionary chimaeras derived from the engulfment of an eukaryotic phototrophic endosymbiont by a eukaryotic host cell. Although much reduced, the endosymbiont's eukaryotic plasmatic compartment still contains a nucleus, the so-called nucleomorph. These nucleomorphs carry the smallest known eukaryotic genomes. We have characterized the genomes of several cryptomonads and a Chlorarachnion species by means of PFGE (pulsed-field gel electrophoresis). Hybridization studies with small subunit rDNA were used to identify the nucleomorph chromosomes. We also performed hybridization experiments with an hsp70 probe to estimate the distribution of this gene among the different algal species. The evolutionary, genetical, and physiological implications of our studies are discussed. A model on the possible function of the nucleomorph hsp70 gene products is presented.
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