Chromosome numbers of carex

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August undefined, 2024

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. 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 = 58; C. nigra subsp. transcaucasica, 2n = 84) and two …

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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. … 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). dymco backup camera

Macroevolutionary insights in sedges (Carex: Cyperaceae): The …

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 ... 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. … dymeah casey

Phylogeny and chromosomal variations in East Asian Carex, …

Full article: Genetic Variability and Its Ecological Implications in ...

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. … 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 … dym companyWebJan 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). crystalsky monitor mount

"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 … " - Chromosome numbers of carex

Chromosome numbers of carex

Macroevolutionary insights into sedges ( Carex : Cyperaceae): The ...

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 ... 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 …

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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 … 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 …

Web2 days ago · DOI: 10.1073/pnas.2213512120. A large team of marine, molecular and genetic biologists affiliated with a number of institutions in China has conducted what they describe as a high-quality ... 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).

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 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.

The 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… crystalsky monitor adapterWebFeb 10, 2024 · Chromosome numbers were determined for the first time in three species (Carex cilicica, 2n = 54; C. phyllostachys, 2n = 56; C. … crystalsky monitor or smart controllerWebSep 30, 2024 · Chromosome counts of six Korean Carex species (Cyperaceae). Cytologia 83: 229-233. Chung, K.-S. Hoshino, T. Masaki, T. Yang, JC and Im, H.-T. 2016. Cytological studies on seven species of Korean Carex (Cyperaceae). Cytologia 81: 143-147. crystal sky of yesterday vietsubWebJan 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 … crystalskypuppies.comWebThe genus Carex exhibits karyological peculiarities related to holocentrism, specifically extremely broad and almost continual variation in … crystal sky of yesterday dubWebChromosome 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 ... crystalsky monitor inspire 2WebCarex 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. dymd warrants