Chromosome numbers of carex

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August undefined, 2024

WebApr 4, 2024 · InCarex, most of the chromosome counts are for European, Eastern Asian and North American species.However,for 75% of thespeciesinthisgenus thereareno chromosome numbers recorded (cf. Roalson 2008). WebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. …

Chromosome numbers of Carex (Cyperaceae) and their …

WebChromosome number evolves independently of genome size in a clade with nonlocalized centromeres (Carex: Cyperaceae). Evolution. 2012 Sep 1;66(9):2708-22. Cusimano N, Sousa A, Renner SS. Maximum likelihood inference implies a high, not a low, ancestral haploid chromosome number in Araceae, with a critique of the bias introduced by ‘x ... WebIn this study, we investigate genome size and chromosome number evolution in 87 species of Carex, one of the most species-rich genera of flowering plants and one that has undergone an exceptionally high rate of chromosome rearrangement. the peking man

Evolution of genome size in Carex (Cyperaceae) in …

WebThe exact chromosome numbers were known for 96 measured samples and were taken from the available literature for other taxa. All relationships were tested in a phylogenetic … WebChromosome numbers were determined for 97 samples of 95 sedge taxa (Carex) from the following countries: Austria (6 records), Bulgaria (1), the Canary Islands (Spain, 1), Cape Verde (1), the Czech Republic (51), Hungary (1), Italy (2), Norway (8), Russia (15), Slovakia (1), Sweden (1) and 9 North American plants cultivated in Czech botanical gardens. … WebWe present cases of Y-linked male infertility in terms of (i) anomalies of the Y chromosome structure/number; (ii) Y chromosome misbehavior in a normal genetic background; (iii) Y chromosome copy number variations (CNVs). We discuss possible explanations of male infertility caused by mutations, lower or higher number of copies of otherwise wild ... the peking inn gluten free

CHROMOSOME NUMBERS AND DIMENSIONS, SPECIES …

Chromosome Counts of Carex Section Ovales Botanical Gazette: …

WebMar 23, 2024 · We have previously assembled the genome of Carex littledalei, which is a diploid with 29 chromosomes 4. Basic chromosome numbers and ploidy are varied in different Kobresia species and difficult ... WebJun 29, 2011 · Chromosome counts for eight species of Carex section Ovales were determined (c. bebbii, C. crawfordii, C. integra, C. microptera, C. pachystachya, C. … siamese fighting fish clipartThe genus Carex was established by Carl Linnaeus in his work Species Plantarum in 1753, and is one of the largest genera of flowering plants. Estimates of the number of species vary from about 1100 to almost 2000. Carex displays the most dynamic chromosome evolution of all flowering plants. Chromosome numbers range from n = 6 to n = 66, and over 100 species are known to show variation in chromosome number within the species, with differences of up to 10 chromos… siamese fighting fish cost

"WebChromosome counts for eight species of Carex section Ovales were determined (C. bebbii, C. crawfordii, C. integra, C. microptera, C. pachystachya, C. praticola, C. preslii, and C. subfusca). Combined with data from previous studies in the sect. Ovales, chromosome number variability is observed within individuals, populations, and species. Counts from … " - Chromosome numbers of carex

Chromosome numbers of carex

Chromosome Counts of Carex Section Ovales ScholarWorks

WebJan 31, 2024 · Carex has long been studied in terms of the chromosome number, with reports ranging from 2n = 10 to 2n = 132 ( C. donnell-smithii and C. perplexa, respectively; Heilborn, 1932; Tanaka, 1949; Davies, 1956; Naczi, 1999; Roalson, 2008; Hipp … WebJun 29, 2011 · Chromosome counts for eight species of Carex section Ovales were determined (c. bebbii, C. crawfordii, C. integra, C. microptera, C. pachystachya, C. praticola, C. preslii, and C. subfusca). Combined with data from previous studies in the sect. Ovales, chromosome number variability is observed within individuals, populations, and species ...

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WebThe number of chromosomes in Carex varies from n = 6 to n = 62 and spans actually a con- tinuous series from n = 6 to n = 47, more than 100 species showing different … WebThe exact chromosome numbers were known for 96 measured samples and were taken from the available literature for other taxa. All relationships were tested in a phylogenetic framework using the ITS tree of 105 species. Key results: The genomic GC content varied from 34·8 % to 40·6 % from C. secalina to C. firma.

WebFeb 1, 2015 · The genus CarexL. (Cyperaceae), with approximately 2000 species worldwide, is one of the most species-rich angiosperm genera (Judd et al., 2007). Moreover, Carexis the most diversified flowering plant genus in the temperate areas of the Northern Hemisphere (Escudero et al., 2012a).

WebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. randalpina, 2n = 78), two … WebJul 16, 2013 · In Carex, many species have a high number of chromosomes, n = 20–40, and small sized chromosomes (Roalson 2008 ). Our present and previous data showed that Siderostictae clade members have the lowest chromosome number of 2 n = 12 and large somatic metaphase chromosomes ranging from 1.5 to 4.0 μm in length (Hoshino …

WebCHROMOSOME NUMBERS AND DIMEN- SIONS, SPECIES-FORMATION AND PHYLOGENY IN THE GENUS CAREX BY 0.HEILBORN STOCKHOLM I. INTRODUCTION. I N 1900 JUEL published his study on Carex acuta L. (C. gracilis CURT.), this being the first investigation made on the cytology of the genus Carex. JUEL'S work deals principally …

WebThe chromosome number variation within species is more closely related with morphological diversity and diverging time (genetic diversity) than geographic diversity (Hipp et al., 2010; Chung et al., Table 1. Species, locality, voucher specimens, and chromosome numbers of Carex studied. Taxon (locality, voucher specimen) Chromosome numbers ... siamese fighting fish behaviourWebThe genus Carex exhibits karyological peculiarities related to holocentrism, specifically extremely broad and almost continual variation in … the peking inn aylesburyWebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species ( Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. randalpina, 2n = 78), two subspecies ( C. muricata subsp. ashokae, 2n = … siamese fighting fish breeding strategiesWebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. randalpina, 2n = 78), two subspecies (C. muricata subsp. ashokae, 2n = 58; C. nigra subsp. transcaucasica, 2n = 84) and two … siamese fighting fish for sale ukWebChromosome counts for seventeen species of Carex section Ovales are reported. They range from n- 26 + IV to »=40. Counts for Carex alata, C. hyalina, C. longii , C. ozarkana … the peking man is missingWebThe results of this study indicate that the position of C. cilicica in Aulocystis section may raise doubts, and attention was paid to the relationship between C. phyllostachys and taxa of the subgenus Carex section Gynobasidae. Counting chromosomes is the first step towards a better understanding of the karyotype evolution and the role of chromosome … the peking house menuWebCarex praecox, the spring sedge, is a species of flowering plant in the genus Carex, native to Europe, western Asia, and Mongolia. [2] [3] Its diploid chromosome number is 2n=58, with some uncertainty. [4] References [ edit] ^ Spic. Fl. Lips.: 63 (1771) ^ a b "Carex praecox Schreb". Plants of the World Online. siamese fighting fish fun facts