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... The osmotic fragility of erythrocytes in 3 species of birds (Gallus gallus domesticus, Coturnix coturnix Japonica, Columba livia) and the rat was determined. The results of this study point to a smaller osmotic fragility. Birds, with elliptical erythrocytes, have a lower osmotic fragility than species with round erythrocytes, like most of the mammals. ...
... cDNA clones encoding Japanese quail chorioallantoic membrane and chicken kidney 1,25-dihydroxyvitamin D3 receptors were isolated and the total 448-amino acid (aa) sequence was deduced. The sequences of the chicken and quail receptors are identical. The nucleotide and deduced amino acid sequences of the avian receptors are similar but not identical to the reported rat or human receptor sequences. T ...
... Apolipoprotein (apo) A-1 cDNA was amplified by the reverse-transcriptase-polymerase chain reaction (RT-PCR). Primers were synthesized according to the nucleotide sequence of chicken apo A-1, and the identity of apo A-1 cDNA was confirmed by comparing with the N-terminal amino acid sequence. The open reading frame of apo A-1 cDNA consists of 795 nucleotides, and it is capable of coding a polypeptid ...
... The chicken has been considered as the natural host for chicken anaemia virus (CAV). To examine the prevalence of CAV in domestic and wild birds in Japan, we analyzed serum samples collected from 211 chickens, 168 Japanese quail, 105 pigeons, 113 ducks and 116 crows for the presence of antibodies to CAV by a micro-scale virus neutralization (VN) test. Nine of the 13 chicken flocks (69.2%) were fou ...
... Domestic fowl or chicken (Gallus gallus) and Japanese quail (Coturnix japonica) belong to the family Phasianidae. The exchange of marker information between chicken and quail is an important step towards the construction of a high-resolution comparative genetic map in Phasianidae, which includes several poultry species of agricultural importance. We tested chicken microsatellite markers to see if ...
... Auditory-induced expression of the immediate-early gene ZENK was examined in 18 brain areas of domestic chicken and Japanese quail subjects with no previous exposure to parental vocalizations. After one 30-min exposure (approximately 120 calls) within 24 h of hatching to either the chicken or quail maternal call, paired subjects from each species showed significantly more intense levels of ZENK st ...
... The quail is a valuable farm and laboratory animal. Yet molecular information about this species remains scarce. We present here the first genetic linkage map of the Japanese quail. This comprehensive map is based solely on amplified fragment length polymorphism (AFLP) markers. These markers were developed and genotyped in an F2 progeny from a cross between two lines of quail differing in stress r ...
chickens; flocks; Gallus gallus; Coturnix japonica; Marek disease; candidiasis
Abstract:
... An outbreak of mortality in chickens and Japanese quail sharing the same airspace was investigated. Marek's disease was diagnosed in five of 11 chickens examined, and in 20 of 24 quail; crop candidiasis was found in four of the chickens and in five of the quail, and moderate to large numbers of organisms referred to as megabacteria were observed in eight of the chickens and 16 of the quail. The di ...
... This study evaluated the effects of maternal dietary lipids on chemical components and mechanical and histological properties of tibia in progeny of Japanese quail fed different dietary lipids. Laying hens were fed a basal diet containing either soybean oil (SBO), hydrogenated soybean oil (HSBO), chicken fat (CF), or menhaden fish oil (FO) at 50 g/kg of the diet. The various maternal dietary lipid ...
chickens; Anas platyrhynchos; ducks; Influenza A virus; strain differences; poultry diseases; amino acid sequences; hemagglutinins; viral proteins; genes; nucleotide sequences; sialidase; pathogenicity; Coturnix japonica; DNA-directed RNA polymerase; South Korea
Abstract:
... An unprecedented outbreak of H5N1 highly pathogenic avian influenza (HPAI) has been reported for poultry in eight different Asian countries, including South Korea, since December 2003. A phylogenetic analysis of the eight viral genes showed that the H5N1 poultry isolates from South Korea were of avian origin and contained the hemagglutinin and neuraminidase genes of the A/goose/Guangdong/1/96 (Gs/ ...
... Using immunolocalization of the mismatch-repair protein MLH1 in oocytes and spermatocytes of the Japanese quail and the zebra finch, we estimated the average amount of recombination in each sex of both species. In each case the number of MLH1 foci is statistically equivalent in males and females and the resulting sex-averaged map lengths are 2800 cM in the Japanese quail and 2275 cM in the zebra f ...
Coturnix japonica; DNA; DNA probes; antibodies; centromeres; chickens; fluorescence in situ hybridization; protein bodies
Abstract:
... Using immunostaining with antibodies against cohesin subunits, we show here that cohesin-enriched structures analogous to the so-called centromere protein bodies (PB) are the characteristic of galliform lampbrush chromosomes. Their centromeric location was verified by FISH with certain DNA probes. PB-like structures were used as markers for centromere localization in chicken lampbrush chromosomes. ...
... The tropism of a Thailand strain of highly pathogenic avian influenza H5N1 virus was demonstrated on tissues (lung, trachea, heart, liver, spleen, pancreas, rectum, kidney, brain, skeletal muscle, duodenum, and oviduct) from naturally infected native chickens (Gallus gallus), Japanese quail (Coturnix coturnix japonica) and ducks (Anas spp.) by indirect immunofluorescence assay. In chickens and qua ...
... In order to develop a comparative map between chicken and quail, we identified orthologous gene markers based on chicken genomic sequences and localized them on the Japanese quail Kobe-NIBS linkage map, which had previously been constructed with amplified fragment length polymorphisms. After sequencing the intronic regions of 168 genes located on chicken chromosomes 1-8, polymorphisms among Kobe-N ...
... A novel family of repetitive DNA sequences was molecularly cloned from ApaI-digested genomic DNA of two Galliformes species, Japanese quail (Coturnix japonica) and guinea fowl (Numida meleagris), and characterized by chromosome in-situ hybridization and filter hybridization. Both the repeated sequence elements produced intensely painted signals on the W chromosomes, whereas they weakly hybridized ...
chickens; vertebrate viruses; host range; food animals; Influenza A virus; disease transmission; amino acid sequences; alternative hosts; avian influenza; nucleotide sequences; Coturnix japonica; microbial genetics; virus replication; signs and symptoms (animals and humans)
Abstract:
... To assess the potential of quail as an intermediate host of avian influenza, we tested the influenza A/Mallard/Potsdam/178-4/83 (H2N2) virus to determine whether through adaptation a mallard strain can replicate and transmit in quail, as well as other terrestrial birds. After five serial passages of lung homogenate a virus arose that replicated and transmitted directly to contact cage mates. To te ...