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characterization and assessment of an avian repetitive dna sequence as an icterid phylogenetic marker.the first tandemly repeated sequence examined in a passerine bird, a 431-bp psti fragment named pmat1, has been cloned from the genome of the brown-headed cowbird (molothrus ater). the sequence represents about 5-10% of the genome (about 4 x 10(5) copies) and yields prominent ethidium bromide stained bands when genomic dna cut with a variety of restriction enzymes is electrophoresed in agarose gels. a particularly striking ladder of fragments is apparent when the dna is cut with hinfi, indicativ ...19921572527
cloning and characterization of a tandemly repeated dna sequence in the crane family (gruidae).a tandemly repeated dna sequence possessing a unique psti site has been characterized in several species of the crane family. the "pst family" comprises at least 8800 monomer units 187 base pairs (bp) in length and constitutes 0.14% of the genome of the sarus crane (grus antigone). the array is located in the centromeric heterochromatin of chromosome 2 in the two species where in situ hybridizations of a cloned monomer to metaphase chromosome spreads were carried out. dna sequence comparisons be ...19892806904
pcr-based method for sex identification of eastern sarus crane (grus antigone sharpii): implications for reintroduction programs in thailand.due to human activity and a reduction in the size and quality of wetland habitats, populations of the eastern sarus crane (grus antigone sharpii) have declined dramatically across their range in southeast asia. conservation efforts in thailand have focused on reintroduction of the founders harboring the highest genetic diversity. one of the most important requirements to ensure the persistence of the reintroduced populations is a balanced sex ratio. in this study we tested three simple pcr-based ...201424521319
ventriculostomy for removal of foreign bodies from sarus cranes.of 7 captive sarus cranes (grus antigone) that ingested foreign metallic objects, 3 became ill, and 1 of the 3 died. clinical signs included difficulty in standing, sitting on hocks, and diarrhea. a surgical approach was developed, using pigeons as models, to open the gizzard for removal of the foreign bodies. the surgery was performed successfully 3 times on 2 of the cranes that had signs of illness.1978738925
metastasis of a myxoid leiomyosarcoma via the renal and hepatic portal circulation in a sarus crane (grus antigone).a 12-year-old female sarus crane (grus antigone) developed a recurrent proliferative lesion in the subcutaneous tissue of the tarsometatarsus, which failed to respond to medical and surgical therapy. the crane was killed and microscopic examination of the tissues taken at necropsy revealed a myxomatous, poorly-differentiated sarcoma with metastasis to the liver and kidney. immunohistochemical staining for muscle actin, smooth muscle myosin and vimentin were positive, indicating that the primary ...19938473559
mortality of globally threatened sarus cranes grus antigon from monocrotophos poisoning in india.globally threatened sarus cranes grus antigon are resident at keoladeo national park world heritage site and the surrounding area near bharatpur, western rajasthan, india. in winter, they are joined by c. 200 wintering common cranes grus grus. on 23 november 2000, 15 sarus cranes and three common cranes were found dead in a field adjacent to the park, where wheat seed had been sown the previous day. chemical analyses of seed samples from the field and the cranes' alimentary tract contents identi ...200415142765
molecular analysis for genetic diversity and distance of introduced grus antigone sharpii l. to thailand.the genetic relationship was examined in a population of grus antigone sharpii l. using dna markers from the issr technique for applying towards breeding purposes for conservation of species. since their extinction from thailand, sixteen eastern sarus cranes: grus antigone sharpii l. provided from cambodia were fed and bred to sixty individuals at nakhonratchasima zoo, northeastern thailand to re-exist in thai natural sites. their genetic diversity and distance were examined to test their possib ...200919579938
levels of organochlorine pesticide residues in blood plasma of various species of birds from india.concentrations of organochlorine pesticides (ocps) were measured in blood plasma of 13 species of birds collected from ahmedabad, india. among the various ocps determined, hchs and its isomers had higher contribution to the total ocps. concentration of summation operatorhchs varied from 11.4 ng/ml in white ibis threskiornis melanocephalus to 286 ng/ml in sarus crane grus antigone, while summation operatorddt ranged between 19 ng/ml in black ibis pseudibis papillosa and 147 ng/ml in painted stork ...201020571760
subspecies in the sarus crane antigone antigone revisited; with particular reference to the australian population.subspecies are often less well-defined than species but have become one of the basic units for legal protection. evidence for the erection or synonymy of subspecies therefore needs to be founded on the best science available. here we show that there is clear genetic disjunction in the sarus crane antigone antigone, where previously the variation had appeared to be clinal. based on a total sample of 76 individuals, analysis of 10 microsatellite loci from 67 samples and 49 sequences from the mitoc ...202032298293
annual changes in fecal sex hormones with corresponding changes in reproductive behaviors in thai sarus crane, black-headed ibis, and lesser adjutant stork.we monitored annual fecal sex hormones and reproductive displays of five individuals of males and females thai sarus crane (grus antigone sharpii), a flock of five males and females black-headed ibis (threskiornis melanocephalus), and five pair bonded lesser adjutant stork (leptoptilos javanicus), all maintained in captivity at bangprha waterbird breeding research center. reproductive behaviors were observed during 0600-1800 h, for four days during the second week of each month and feces were co ...201324320186
the use of the anaesthetic "ct1341" in a sarus crane. 1976974983
subspecies in the sarus crane antigone antigone revisited; with particular reference to the australian population.subspecies are often less well-defined than species but have become one of the basic units for legal protection. evidence for the erection or synonymy of subspecies therefore needs to be founded on the best science available. here we show that there is clear genetic disjunction in the sarus crane antigone antigone, where previously the variation had appeared to be clinal. based on a total sample of 76 individuals, analysis of 10 microsatellite loci from 67 samples and 49 sequences from the mitoc ...202032298293
screening and application of microsatellite markers for genetic diversity analysis of captive eastern sarus crane grus antigone sharpii blanford, 1895 in thailand.the eastern sarus crane, grus antigone sharpii, is distributed in the indochina area, though it has become extinct in thailand. the thai government has tried to repopulate the cranes using wild individuals from cambodia as initial breeding stock. although captive breeding can reintroduce species back into the wild, the genetic diversity of the population is also important. this study aimed to screen microsatellite markers to investigate the genetic diversity of g. a. sharpii from two breeding fa ...201830088282
sequence conservation in avian cr1: an interspersed repetitive dna family evolving under functional constraints.cr1 is a short interspersed repetitive dna element originally identified in the domestic chicken (gallus gallus). however, unlike virtually all other such sequences described to date, cr1 is not confined to one or a few closely related species. it is probably a ubiquitous component of the avian genome, having been detected in representatives of nine orders encompassing a wide spectrum of the class aves. this identification was made possible by using the polymerase chain reaction (pcr), which rev ...19911829530
allozyme evidence for crane systematics and polymorphisms within populations of sandhill, sarus, siberian, and whooping cranes.electrophoretic analysis of proteins yielded evidence on the relationships of species of cranes and on genetic diversity within populations of some species. diversity within the greater sandhill crane and a florida population of the florida sandhill crane was similar to that of most other vertebrates, but diversity was low in the mississippi sandhill crane, in the okefenokee population of the florida sandhill crane, and within the siberian and sarus cranes. diversity was surprisingly high among ...19921342943
aldrin poisoning of sarus cranes (grus antigone) and a few granivorous birds in keoladeo national park, bharatpur, india.: between 1987-88 and 1989-90, 18 sarus cranes (grus antigone), more than 50 collared doves (streptopelia decaocto) and a few blue rock pigeons (columba livia) were found dead during winter in keoladeo national park, bharatpur, which coincided with the application of aldrin in the crop fields around the park. brain tissue of sarus cranes, collared doves and blue rock pigeons contained an average of 19.33 (3.56-43.46), 15.19 (7.40-20.70), and 20.42 (14.61-26.23) ppm, wet weight, of dieldrin, resp ...199324201581
flightlessness and phylogeny amongst endemic rails (aves:rallidae) of the new zealand region.the phylogenetic relationships of a number of flightless and volant rails have been investigated using mtdna sequence data. the third domain of the small ribosomal subunit (12s) has been sequenced for 22 taxa, and part of the 5' end of the cytochrome-b gene has been sequenced for 12 taxa. additional sequences were obtained from outgroup taxa, two species of jacana, sarus crane, spur-winged plover and kagu. extinct rails were investigated using dna extracted from subfossil bones, and in cases whe ...19979163823
the first assess of the haplotypes from coi gene sequences in species of spittlebugs (cicadomorpha: hemiptera) and aquatic true bugs (gerromorpha and nepomorpha: hemiptera) in brazil.we made the first analysis of the coi gene sequences of 22 species of spittlebugs and aquatic true bugs sampled in são paulo state (brazil) and used this information to determine the variability within these groups. considering each codon position, we observed that the third base was the most variable, and the first base was the most conserved. among species, mahanarva fimbriolata and deois flavopicta had the greatest genetic distance (0.181), and notozulia entreriana and mahanarva sp had the sm ...201324301909
sequence conservation of an avian centromeric repeated dna component.the approximately 190-bp centromeric repeat monomers of the spur-winged lapwing (vanellus spinosus, charadriidae), the chilean flamingo (phoenicopterus chilensis, phoenicopteridae), the sarus crane (grus antigone, gruidae), parrots (psittacidae), waterfowl (anatidae), and the merlin (falco columbarius, falconidae) contain elements that are interspecifically highly variable, as well as elements (trinucleotides and higher order oligonucleotides) that are highly conserved in sequence and relative l ...19948034177
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