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Gormley, James - - 2010
Cockram, James - - 2010
Comparative mapping is an important component of map-based cloning in large-genome cereal species. We describe evidence of a segmental chromosomal duplication harbouring CONSTANS-like genes in barley that predates the divergence of the Oryzoideae (rice) and Pooideae (brachypodium, barley, wheat) clades, and discuss the implications of such events for comparative mapping ...
Reed, Kent - - 2010
Choanal atresia (AC) is a common nasal craniofacial malformation in New World domestic camelids (alpaca and llama). CA results from abnormal development of the nasal passages and is especially debilitating to newborn crias. CA in camelids shares many of the clinical manifestations of a similar condition in humans (CHARGE syndrome). ...
Shimizu, Hiroyuki - - 2010
Phenotypic plasticity is an adaptive mechanism adopted by plants in response to environmental heterogeneity. Cultivated and wild species adapt in contrasting environments; however, it is not well understood how genetic changes responsible for phenotypic plasticity were involved in crop evolution. We investigated the genetic control of phenotypic plasticity in Asian ...
Wang, Qiuxia - - 2010
The St. P, and Y genomes are three important genomes in the tribe Triticeae, which includes many perennial species. To study polymorphisms within the chromosomes of the St, P, and Y genomes, a G1SH-F1SH method was developed that allowed them to be clearly distinguished. The karyotypes of five individuals from ...
Talia, P. - - 2010
In the present work we report new tools for the characterization of the complete chromosome complement of sunflower (Helianthus annuus L.), using a bacterial artificial chromosome (BAC) clone containing repetitive sequences with similarity to retrotransposons and a homologous rDNA sequence isolated from the sunflower genome as probes for FISH. The ...
Baum, Bernard - - 2010
To complete our study of the genus Hordeum and to elaborate a phylogeny of species based upon 5S rDNA sequences, we have cloned and sequenced PCR amplicons from seven American polyploid species to generate 164 new 5S rRNA gene sequences. These sequences were analysed along with the more than 2000 ...
Jimenez, Ana - - 2010
We tested the hypothesis that hypertrophic muscle growth in decapod crustaceans is associated with increases in both the number of nuclei per fiber and nuclear DNA content. The DNA-localizing fluorochrome DAPI (4',6-diamidino-2phenylindole) and chicken erythrocyte standards were used with static microspectrophotometry and image analysis to estimate nuclear DNA content in ...
Braszewska-Zalewska, Agnieszka - - 2010
Epigenetic modifications such as histone and DNA methylation are highly conserved among eukaryotes, although the nuclear patterns of these modifications vary between different species. Brassica species represent a very attractive model for analysis of epigenetic changes because of their differences in genome size, ploidy level, and the organization of heterochromatin ...
Hanson, K.C. - - 2010
Laboratory-based studies of locomotory performance in many taxa have noted that individuals form stable hierarchies of organismal performance. Though laboratory studies of teleost fishes have consistently demonstrated individual repeatability of swimming performance, this phenomenon has rarely been studied in the field and never across multiple years. Using a whole-lake acoustic ...
Wang, J. - - 2010
The hypothesis thai patterns of habitai selection of greater horseshoe bats (Rhinolophus ferrumequinum (Schreber, 1774)) vary across seasons in a temperate deciduous forest was investigated. Variables associated with potentially important ecological factors for greater horseshoe bats (physical structure of shrub stratum, crown canopy, insect availability, lunar phase, and weather) were ...
Salomon, Maxence - - 2010
Animal social systems come in a wide range of forms characterized by different types of group-living relationships. Species that express facultative group-living behaviours, where individuals only associate under certain conditions or at certain times, are especially interesting for studying social evolution. We investigated the social structure of the western black ...
Finerty, Shannon - - 2010
Territory quality and site fidelity were assessed for male sea otters [Enhydra lutris (L., 1758)) in Simpson Bay, Prince William Sound, Alaska, during the summer months (May-August) from 2003 to 2006. Territory quality was coded with a score of 0-2 for four attributes: territory size, shoreline enclosure, territory accessibility, and ...
Suryan, Robert - - 2010
Albatrosses (Diomedeidae) are the most threatened family of birds globally. The three North Pacific species (Phoebastria Reiehenbach. 1853) are listed as either endangered or vulnerable, with the population of Short-tailed Albatross (Phoebastria albaints (Pallas, 1769)) less than 1% of its historical size. All North Pacific albatross species do not currently ...
Fairbanks, B.M. - - 2010
Vigilance, a vital behaviour in prey species, is affected by many factors, including social group size and possibly the presence of relatives. Columbian ground squirrels (Urocitellus columbianus (Ord, 1815)) show a group-size effect of reduced individual vigilance in larger groups owing to increased predator detection. Such groups are composed of ...
Ouellet, Jean-Francois - - 2010
Our study addresses winter spatial distribution of Barrow's Goldeneyes (Bucephala islandica (Gmelin, 1789)) and Common Goldeneyes (Bucephala dangula (L., J 758)) at the scale of the St. Lawrence marine system (estuary and northwestern gulf), eastern Canada. Our objectives were (i) to identify and compare the physical factors that control their ...
Wikenros, Camilla - - 2010
We studied the effect of a recolonizing wolf (Canis lupus L., 1758) population on a resident lynx (Lynx lynx (L., 1758)) population in south-central Sweden. Wolf and lynx share the same prey species, western roe deer (Capreolus capreolus (L., 1758)), and the size difference between the two species suggests a ...
Vieira, E.M. - - 2010
We investigated the relation between temperature and diel activity patterns of Necromys lasiurus (Lund, 1841) in 10 sites of open vegetation (grassland fields) in the Cerrado (savanna-like vegetation) of central Brazil. We used live traps equipped with timing devices during two trapping sessions: in the end of the dry season ...
Huber, H.R. - - 2010
We examined the pupping phenology and genetic variation between the currently defined stocks of harbor seals, Phoca vitulina richardsi (Gray, 1864), in Washington's coastal and inland waters and looked in detail at genetic variation within the inland waters of Washington. We analyzed mtDNA variation in 552 harbor seals from nine ...
Marcogliese, David - - 2010
Parasites were examined in yellow perch, Perca flavescens (Mitchill, 1814), from four localities ranging in degree of pollution in the St. Lawrence River, Quebec, Canada, to examine the effects of the most prevalent parasite species on expression of biomarkers of oxidative stress. Various biomarkers appeared to be affected by the ...
Copeland, J.P. - - 2010
We propose a fundamental geographic distribution for the wolverine (Gulo gulo (L., 1758)) based on the hypothesis that the occurrence of wolverines is constrained by their obligate association with persistent spring snow cover for successful reproductive denning and by an upper limit of thermoneutrality. To investigate this hypothesis, we developed ...
Leyte-Manrique, Adrian - - 2010
Diet of two populations of Sceloporus grammicus was determined from Tilcuautla and La Estanzuela, Hidalgo, Mexico. Diet of S. grammicus is primarily Araneae, Insecta (Coleoptera, Dermaptera, Diptera, Hemiptera, Homoptera, Hymenoptera Lepidoptera, and Orthoptera), Mollusca (gastropods), and Reptilia (Sauria). Hymenoptera and Coleoptera were most frequent in the diet of both populations. ...
Germano, David - - 2010
The western pond turtle (Actinemys marmorata) has lost most of its habitat in the Central Valley of California to agricultural activities, flood control, and urbanization. although a few areas still support this turtle, most habitats are now altered by humans. Aquatic habitats near population centers also may become release sites ...
Hoagstrom, Christopher - - 2010
We intensively sampled fishes from two reaches of the Rio Grande within the Albuquerque Basin (Albuquerque and Belen valleys) during 1998-2001, compared our findings with those from 1984, and compiled a list of all fishes known from the two reaches. Structure of assemblages (richness, diversity, abundance distributions-taxon dominance versus rank ...
Elston, Jennifer - - 2010
Success in competition for a limited food resource can be determined in part by how efficiently a species digests food. We conducted in vivo trials to compare digestive performance by a guild of mast-consuming species in southern Texas: wild boar (Sus scrofa), white-tailed deer (Odocoileus virginianus), collared peccary (Pecari tajacu), ...
Elston, Jennifer - - 2010
In Texas, introduced wild boars (Sus scrofa) consume mast crops that are high-quality foods sought by native wildlife. Because mast often is abundant but ephemeral, competition among species is expected. Relative rates of intake among individuals can determine how much mast can be obtained and digested. Our objective was to ...
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