Long Repeats in a Huge Genome: Microsatellite Loci in the Grasshopper Chorthippus biguttulus Export

@article{Ustinova_2006_long, abstract = {Abstract\ \ It is commonly believed that both the average length and the frequency of microsatellites correlate with genome size. We have estimated the frequency and the average length for 69 perfect dinucleotide microsatellites in an insect with an exceptionally large genome: Chorthippus biguttulus (Orthoptera, Acrididae). Dinucleotide microsatellites are not more frequent in C. biguttulus, but repeat arrays are 1.4 to 2 times longer than in other insect species. The average repeat number in C. biguttulus lies in the range of higher vertebrates. Natural populations are highly variable. At least 30 alleles per locus were found and the expected heterozygosity is above 0.95 at all three loci studied. In contrast, the observed heterozygosity is much lower (≤0.51), which could be caused by long null alleles.}, author = {Ustinova, Jana and Achmann, Roland and Cremer, Sylvia and Mayer, Frieder}, citeulike-article-id = {4744082}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/s00239-005-0022-6}, citeulike-linkout-1 = {http://www.springerlink.com/content/n0868x5u68j81102}, day = {11}, doi = {10.1007/s00239-005-0022-6}, journal = {Journal of Molecular Evolution}, keywords = {evolution, hopper, phylogeny}, month = {February}, number = {2}, pages = {158--167}, pdf = {ustinova\_06\_long.pdf}, posted-at = {2009-06-04 12:44:37}, priority = {2}, title = {Long Repeats in a Huge Genome: Microsatellite Loci in the Grasshopper Chorthippus biguttulus}, url = {http://dx.doi.org/10.1007/s00239-005-0022-6}, volume = {62}, year = {2006} }

TY - JOUR ID - Ustinova_2006_long L3 - citeulike-article-id:4744082 N2 - Abstract  It is commonly believed that both the average length and the frequency of microsatellites correlate with genome size. We have estimated the frequency and the average length for 69 perfect dinucleotide microsatellites in an insect with an exceptionally large genome: Chorthippus biguttulus (Orthoptera, Acrididae). Dinucleotide microsatellites are not more frequent in C. biguttulus, but repeat arrays are 1.4 to 2 times longer than in other insect species. The average repeat number in C. biguttulus lies in the range of higher vertebrates. Natural populations are highly variable. At least 30 alleles per locus were found and the expected heterozygosity is above 0.95 at all three loci studied. In contrast, the observed heterozygosity is much lower (≤0.51), which could be caused by long null alleles. IS - 2 JF - Journal of Molecular Evolution EP - 167 TI - Long Repeats in a Huge Genome: Microsatellite Loci in the Grasshopper Chorthippus biguttulus VL - 62 SP - 158 KW - evolution KW - hopper KW - phylogeny AU - Ustinova, Jana AU - Achmann, Roland AU - Cremer, Sylvia AU - Mayer, Frieder PY - 2006/February/11/ UR - http://dx.doi.org/10.1007/s00239-005-0022-6 ER -