• References (82)
  • Citations (7)
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References82
Published on Jun 5, 2015in PLOS ONE 2.77
Jong Im Kim10
Estimated H-index: 10
(Chungnam National University),
Hwan Su Yoon14
Estimated H-index: 14
(Sungkyunkwan University)
+ 3 AuthorsWoongghi Shin14
Estimated H-index: 14
(Chungnam National University)
Teleaulax amphioxeia is a photosynthetic unicellular cryptophyte alga that is distributed throughout marine habitats worldwide. This alga is an important plastid donor to the dinoflagellate Dinophysis caudata through the ciliate Mesodinium rubrum in the marine food web. To better understand the genomic characteristics of T. amphioxeia, we have sequenced and analyzed its plastid genome. The plastid genome sequence of T. amphioxeia is similar to that of Rhodomonas salina, and they share significan...
14 Citations Source Cite
Published on Jun 18, 2015in PeerJ 2.12
Marie-Mathilde Perrineau9
Estimated H-index: 9
(Rutgers University),
Dana C. Price19
Estimated H-index: 19
(Rutgers University)
+ 1 AuthorsDebashish Bhattacharya64
Estimated H-index: 64
(Rutgers University)
Group II introns are closely linked to eukaryote evolution because nuclear spliceosomal introns and the small RNAs associated with the spliceosome are thought to trace their ancient origins to these mobile elements. Therefore, elucidating how group II introns move, and how they lose mobility can potentially shed light on fundamental aspects of eukaryote biology. To this end, we studied five strains of the unicellular red alga Porphyridium purpureum that surprisingly contain 42 group II introns i...
9 Citations Source Cite
Published on Jun 1, 2015in Current Biology 9.25
Sven B. Gould23
Estimated H-index: 23
(University of Düsseldorf),
Uwe G. Maier45
Estimated H-index: 45
(Phillips University),
William Martin79
Estimated H-index: 79
(University of Düsseldorf)
The number and nature of endosymbioses involving red algal endosymbionts are debated. Gene phylogenies have become the most popular tool to untangle this issue, but they deliver conflicting results. As gene and lineage sampling has increased, so have both the number of conflicting trees and the number of suggestions in the literature for multiple tertiary, and even quaternary, symbioses that might reconcile the tree conflicts. Independent lines of evidence that can address the issue are needed. ...
46 Citations Source Cite
Published on Feb 1, 2000in Nature 41.58
Claude Lemieux45
Estimated H-index: 45
(Laval University),
Christian Otis34
Estimated H-index: 34
(Laval University),
Monique Turmel41
Estimated H-index: 41
Ancestral chloroplast genome in Mesostigma viride reveals an early branch of green plant evolution
211 Citations Source Cite
Hwan Su Yoon24
Estimated H-index: 24
(University of Iowa),
Jeremiah D. Hackett24
Estimated H-index: 24
(University of Iowa)
+ 1 AuthorsDebashish Bhattacharya64
Estimated H-index: 64
(University of Iowa)
Abstract Algae include a diverse array of photosynthetic eukaryotes excluding land plants. Explaining the origin of algal plastids continues to be a major challenge in evolutionary biology. Current knowledge suggests that plastid primary endosymbiosis, in which a single-celled protist engulfs and “enslaves” a cyanobacterium, likely occurred once and resulted in the primordial alga. This eukaryote then gave rise through vertical evolution to the red, green, and glaucophyte algae. However, some mo...
281 Citations Source Cite
Published on Dec 8, 1995in Journal of Biological Chemistry 4.01
Dallmann Hg6
Estimated H-index: 6
(Anschutz Medical Campus),
Charles S. McHenry41
Estimated H-index: 41
(Anschutz Medical Campus)
Abstract A physical characterization of the τ and γ subunits of the Escherichia coli DNA polymerase III holoenzyme and their complexes with the δ, δ ′, χ, and ψ subunits is presented. The native molecular mass of the τ and γ subunits was determined to be 255,000 and 189,000 Da, respectively, by sedimentation equilibrium analytical ultracentrifugation. Both values indicate a tetrameric quaternary structure. The τ and γ complexes were reconstituted and purified using two different methods. Both co...
70 Citations Source Cite
Published on May 1, 1998in Nature 41.58
William Martin79
Estimated H-index: 79
(University of Düsseldorf),
Bettina Stoebe6
Estimated H-index: 6
(Braunschweig University of Technology)
+ 3 AuthorsKlaus V. Kowallik16
Estimated H-index: 16
(Braunschweig University of Technology)
Photosynthetic eukaryotes, particularly unicellular forms, possess a fossil record that is either wrought with gaps or difficult to interpret, or both. Attempts to reconstruct their evolution have focused on plastid phylogeny, but were limited by the amount and type of phylogenetic information contained within single genes1, 2, 3, 4, 5. Among the 210 different protein-coding genes contained in the completely sequenced chloroplast genomes from a glaucocystophyte, a rhodophyte, a diatom, a eugleno...
612 Citations Source Cite
Published on Apr 1, 2001in Nature 41.58
Susan E. Douglas37
Estimated H-index: 37
(National Research Council),
Stefan Zauner22
Estimated H-index: 22
+ 7 AuthorsUwe G. Maier45
Estimated H-index: 45
Chromophyte algae differ fundamentally from plants in possessing chloroplasts that contain chlorophyll c and that have a more complex bounding-membrane topology 1 . Although chromophytes are known to be evolutionary chimaeras of a red alga and a non-photosynthetic host 1 , which gave rise to their exceptional membrane complexity, their cell biology is poorly understood. Cryptomonads are the only chromophytes that still retain the enslaved red algal nucleus as a minute nucleomorph 2-4 . Here we r...
374 Citations Source Cite
Published on Sep 1, 1993in Journal of Bacteriology 3.22
Alexandra Blinkova8
Estimated H-index: 8
(University of Texas at Austin),
C Hervas1
Estimated H-index: 1
(University of Texas at Austin)
+ 3 AuthorsJames R. Walker18
Estimated H-index: 18
(University of Texas at Austin)
Abstract The replicative polymerase of Escherichia coli, DNA polymerase III, consists of a three-subunit core polymerase plus seven accessory subunits. Of these seven, tau and gamma are products of one replication gene, dnaX. The shorter gamma is created from within the tau reading frame by a programmed ribosomal -1 frameshift over codons 428 and 429 followed by a stop codon in the new frame. Two temperature-sensitive mutations are available in dnaX. The 2016(Ts) mutation altered both tau and ga...
58 Citations Source Cite
Published on Jul 1, 1999in Nature 41.58
Zhaoduo Zhang5
Estimated H-index: 5
,
Beverley R. Green39
Estimated H-index: 39
,
Thomas Cavalier-Smith43
Estimated H-index: 43
Photosynthetic dinoflagellates are important aquatic primary producers and notorious causes of toxic 'red tides', Typical dinoflagellate chloroplasts differ from all other plastids in having a combination of three envelope membranes' and peridinin-chlorophyll a/c light-harvesting pigments 2 . Despite evidence of a dinoflagellete satellite DNA containing chloroplast genes 3 , previous attempts to obtain chloroplast gene sequences have been uniformly unsuccessful. Here we show that the dinoflagell...
272 Citations Source Cite
  • References (82)
  • Citations (7)
Cite
Cited By7
Published on Dec 1, 2018in BMC Genomics 3.73
Jong Im Kim10
Estimated H-index: 10
(Chungnam National University),
Hwan Su Yoon14
Estimated H-index: 14
(Sungkyunkwan University)
+ 2 AuthorsJohn M. Archibald36
Estimated H-index: 36
(Dalhousie University)
Background Cryptophytes are an ecologically important group of algae comprised of phototrophic, heterotrophic and osmotrophic species. This lineage is of great interest to evolutionary biologists because their plastids are of red algal secondary endosymbiotic origin. Cryptophytes have a clear phylogenetic affinity to heterotrophic eukaryotes and possess four genomes: host-derived nuclear and mitochondrial genomes, and plastid and nucleomorph genomes of endosymbiotic origin.
2 Citations Source Cite
Published on Sep 22, 2018in Genome Biology and Evolution 3.94
Ann-Kathrin Mix , Ugo Cenci6
Estimated H-index: 6
(Centre national de la recherche scientifique)
+ 3 AuthorsDaniel Moog11
Estimated H-index: 11
Source Cite
Published on Mar 1, 2019in Protoplasma 2.46
Pratishtha Vedalankar (Jawaharlal Nehru University), Baishnab C. Tripathy25
Estimated H-index: 25
(Jawaharlal Nehru University)
The nonhomologous enzymes, the light-independent protochlorophyllide reductase (DPOR) and the light-dependent protochlorophyllide oxidoreductase (LPOR), catalyze the reduction of protochlorophyllide (Pchlide) to chlorophyllide (Chlide) in the penultimate step of biosynthesis of chlorophyll (Chl) required for photosynthetic light absorption and energy conversion. The two enzymes differ with respect to the requirement of light for catalysis and oxygen sensitivity. DPOR and LPOR initially evolved i...
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Published on Oct 16, 2018
Jaehee Jung (Hongik University), Gangman Yi6
Estimated H-index: 6
(Dongguk University)
An increase in the size of next-generation sequencing (NGS) data owing to the development of the novel computation power has made an automated analysis system increasingly desirable. To automatically predict genes for the unknown sequences, several pipeline steps are required. The first step involves the acquisition of various NGS fragment reads, followed by assembler of the fragment reads of 100 bp to 10 Kbp. Upon accurate assembler of NGS fragment reads of a sufficient size, a de novo assemble...
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Published on Apr 1, 2019in New Phytologist 7.43
Marina Cvetkovska7
Estimated H-index: 7
(University of Western Ontario),
Shane Orgnero (University of Western Ontario)+ 1 AuthorsDavid Roy Smith26
Estimated H-index: 26
(University of Western Ontario)
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Published on Jan 11, 2019in BMC Evolutionary Biology 3.03
Jong Im Kim10
Estimated H-index: 10
(Chungnam National University),
Hyunmoon Shin1
Estimated H-index: 1
(Chungnam National University)
+ 4 AuthorsWoongghi Shin14
Estimated H-index: 14
(Chungnam National University)
Background The Synurophyceae is one of most important photosynthetic stramenopile algal lineages in freshwater ecosystems. They are characterized by siliceous scales covering the cell or colony surface and possess plastids of red-algal secondary or tertiary endosymbiotic origin. Despite their ecological and evolutionary significance, the relationships amongst extant Synurophyceae are unclear, as is their relationship to most other stramenopiles.
1 Citations Source Cite
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