Results 151 to 160 of about 2,808,714 (170)

The complete chloroplast genome of <i>Trachyspermum ammi</i> reveals a species-specific inverted repeat expansion. [PDF]

Front Plant Sci
Nagar R, Patial V, M S N, Choudhary S.
europepmc   +1 more source

Recombination Signals In The rpoC1 Gene Indicate Gene‐Flow Between Planktothrix (Cyanoprokaryota) Species

Journal of Phycology, 2012
The delineation of species boundaries in the potentially harmful cyanobacterium Planktothrix Anagnostidis et Komárek 1988 is particularly tangled. Genetic recombination has been invoked to explain the occurrence of overlapping biological traits among recognized species.
D'Alelio, Domenico, Gandolfi, Andrea
openaire   +5 more sources

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Natural Community Structure of Cyanobacteria in the South China Sea as Revealed by rpoC1 Gene Sequence Analysis

Letters in Applied Microbiology, 2004
To examine the community structure of cyanobacterial populations of the South China Sea on the surface and at depth of 80 m.Direct PCR amplification of RNA polymerase (rpoC1) genes from environmental DNAs extracted from seawater, and cloning of the fragments and sequence analysis were used.
Ma, Y, Jiao, NZ, Zeng, YH
exaly   +4 more sources

Rice Chloroplast RNA Polymerase Genes: The Absence of an Intron in rpoC1 and the Presence of an Extra Sequence in rpoC2

Molecular Genetics and Genomics, 1990
The chloroplast genome contains sequences homologous to the Escherichia coli rpoA, rpoB and rpoC genes. The chloroplast rpoC gene is divided into rpoC1 and rpoC2, of which rpoC1 contains an intron. Comparison of the rice rpo genes with those from tobacco, spinach and liverwort revealed unique features of the rice genes; the lack of an intron in rpoC1 ...
Masahiro Sugiura, Hiroaki Shimada
exaly   +3 more sources

Variation in the Chloroplast Genes rpoC1 and rpoC2 of the Genus Astragalus (Fabaceae): Evidence From Restriction Site Mapping of a PCR-Amplified Fragment

American Journal of Botany, 1992
A 4,100‐base pair (bp) region of the chloroplast genome, amplified via the polymerase chain reaction, was obtained from 14 species of the genus Astragalus and mapped with 23 restriction enzymes. The amplified region encompassed the chloroplast genes RNA polymerase Cl (rpoCl; 90.8% of the gene) and RNA polymerase C2 (rpoC2; 32.7% of the gene) including ...
Aaron Liston
exaly   +4 more sources

Molecular Data From the Chloroplast rpoC1 Gene Suggest a Deep and Distinct Dichotomy of Contemporary Spermatophytes Into Two Monophyla: Gymnosperms (Including Gnetales) and Angiosperms

Journal of Molecular Evolution, 1999
Partial sequences of the rpoC1 gene from two species of angiosperms and three species of gymnosperms (8330 base pairs) were determined and compared. The data obtained support the hypothesis that angiosperms and gymnosperms are monophyletic and none of the recent groups of the latter is sister to angiosperms.
Aleksey Troitsky, William F. Martin, A S Antonov   +2 more
exaly   +3 more sources

The phylogenetic position of the genus Astragalus (fabaceae): Evidence from the chloroplast genes rpoC1 and rpoC2

Biochemical Systematics and Ecology, 1994
Abstract A molecular phylogeny was inferred from the analysis of mapped restriction site variation in 51 species representing the genus Astragalus and putatively related genera in the legume tribes Galegeae, Millettieae, Trifolieae and Vicieae. The resulting hypothesis of phylogenetic relationships suggests: (1) the majority of Astragalus species ...
Aaron Liston, John A. Wheeler
openaire   +1 more source

An intron loss in the chloroplast generpoC1 supports a monophyletic origin for the subfamily Cactoideae of the Cactaceae

Current Genetics, 1996
The deletion of an approximately 700-bp intron in the chloroplast-encoded gene rpoC1 was shown in 21 representative species of the subfamily Cactoideae of the angiosperm family Cactaceae. Members of the subfamilies Pereskioideae and Opuntioideae were found to possess the intron, as did members of the related families Aizoaceae, Basellaceae ...
R S, Wallace, J H, Cota
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Multiple Independent Losses of the Plastid rpoC1 Intron in Medicago (Fabaceae) as Inferred From Phylogenetic Analyses of Nuclear Ribosomal DNA Internal Transcribed Spacer Sequences

Canadian Journal of Botany, 1998
: A previous polymerase chain reaction based survey for the occurrence of the intron in chloroplast gene rpoC1 revealed its absence in one of the eight species of Medicago (Fabaceae; Trifolieae) examined. We extend the survey of Medicago to include 65 of
Erica J Rogers, Heidi L Zujewski, Stephen R Downie, Deborah S Katz-Downie, Ernest Small   +4 more
exaly   +1 more source

[Phylogenetic comparison between Spirulina and Arthrospira based on 16S rRNA and rpoC1 gene].

Wei sheng wu xue bao = Acta microbiologica Sinica, 2016
Based on 16S rRNA and rpoC1 gene sequences, the phylogenetic relationship between Spirulina and Arthrospira were studied and compared.We amplified, sequenced and analyzed 16S rRNA and rpoC1 of 84 strains. Then the phylogenetic trees were constructed and compared.The conserved sites percentage, average G+C content and sequence identity of rpoC1 were 49 ...
Yuemei, Wu, Suying, Wang, Shirui, Dong
openaire   +1 more source