Chromosome numbers of carex

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August undefined, 2024

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. … 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. …

(Open Access) Chromosome numbers of Carex (2011) Olga …

WebThe 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 … WebApr 13, 2024 · A lectotype is designated for the name Carex curvata Knaf on a herbarium specimen found in the PR (National Museum, Prague). ... Accepted names, hybrids, synonyms, distribution, chromosome numbers. Margraf Publishers, Weikersheim, 726 pp. Koopman, J. (2024) Section Ammoglochin (Carex, Cyperaceae) in Poland. Doctoral … fanny cadiou

Lectotypification of the name Carex curvata Knaf (Cyperaceae) …

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 … Web10 reasons why you will fall in love with MU . Ask our ambassador . Research 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 … fanny cakes

Evolution of genome size in Carex (Cyperaceae) in relation to ...

Chromosome numbers of Carex (Cyperaceae) and their …

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 ... 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 subspecies ( C. muricata subsp. ashokae, 2n = … fanny cammalWebDec 5, 2008 · Heilborn ( 1924) noted chromosome number maxima at 2 n = 56, 84, and 112, and from these he inferred the base haploid chromosome number (X) of Carex to be 7. Based on a greater number of counts, Wahl ( 1940) showed that the optima were probably not multiples of 7, and he inferred a secondary base number of X = 5. corner rectangle shower enclosures

"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 … " - Chromosome numbers of carex

Chromosome numbers of carex

Seven New Species and One New Combination inCarex …

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. … WebJan 31, 2024 · These in turn may influence ecology and evolutionary trajectories profoundly. Sedges of the genus Carex (Cyperaceae) comprise ca. 2000 species with holocentric chromosomes that evolve almost exclusively by fission and fusion. The genus exhibits a phenomenal range in chromosome number (2n =10–132).

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WebDec 5, 2008 · Heilborn ( 1924) noted chromosome number maxima at 2 n = 56, 84, and 112, and from these he inferred the base haploid chromosome number (X) of Carex to … WebPreslia 83: 25–58, 2011 25. Chromosome numbers of Carex. Chromozomové počty druhů rodu Carex. OlgaRotreklová1, Petr B u r e š1, Radomír Ř e p k a2, VítGrulich1, Petr Š m a r d a1,IvanaHralová1, František Z e d e k1 & Tomáš K o u t e c k ý2

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 ... 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 cytotypes [2,17]. In addition, the chromosome count is not …

WebMar 10, 2011 · The number of chromosomes in Carex varies from n = 6 to n = 62 and spans actually a continuous series from n = 6 to n = 47, more … 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 ...

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).

WebJan 28, 2024 · It should also be remembered that in Carex, the complexity of chromosome variation is due primarily to the presence of diffuse centromeres, which causes chromosomes either wholly or in pieces to be transmitted in rather less organized fashion than in species with chromosomes possessing single, well-defined centromeres … corner recliner sofa irelandWebJun 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 ... corner rectangle icon solidworksWebMar 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 ... corner rectangle solidworksWebThe 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. fanny cakes gastonia ncWebFeb 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 … fanny campan hypnoseWebCarex 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. fanny cailleretWebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. … fanny campan