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  • Rice  (8)
  • (Pig brain)  (2)
  • Blunt abdominal trauma  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 985 (1989), S. 38-44 
    ISSN: 0005-2736
    Keywords: (Pig brain) ; Cupric ion ; Disulfide bond ; Glycolipid transfer protein ; Intramolecular disulfide bond ; Oligomerization ; Sulfhydryl group
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Biomembranes 778 (1984), S. 239-244 
    ISSN: 0005-2736
    Keywords: (Pig brain) ; Fluorescence ; Glycolipid transfer ; Pyrenedecanoylgalactosylceramide ; Transfer protein
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 12 (1997), S. 132-136 
    ISSN: 1437-9813
    Keywords: Key words Laparoscopy ; Blunt abdominal trauma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  This study evaluates the safety and role of laparoscopy in the diagnosis of blunt abdominal trauma in children. Laparoscopy was performed in five patients aged 3 to 13 years because of persistent abdominal pain after blunt trauma. A laparotomy was not indicated from the physical examination, laboratory data, or radiologic findings. With the patient under general anesthesia, a 10-mm trocar was inserted through the umbilical fossa and the intra-abdominal organs were observed for 10 – 60 min under an insufflation pressure of 10 – 12 mmHg. The patients remained hemodynamically stable without pneumothorax development. Three patients underwent laparatomies: one, who had blood in the omental sac, had a duodenal injury with hemorrhagic necrosis and underwent a resection; one with ascites and high amylase levels had an injury of the main pancreatic duct and underwent resection of the pancreatic tail; and one who had fresh blood in the upper abdomen and Douglas’ pouch had a splenic hemorrhage and underwent hemostasis. The other two had serous or serosanguinous ascites and recovered without surgery. In patient 1, the same amount of information might have been obtained from a barium study. In patient 2, the pancreatic transection might have been diagnosed from ascites shown on serial computed tomograms. Patient 3 might also have been treated successfully non-surgically. It hus appears that laparoscopy may be a safe diagnostic method for blunt abdominal trauma in children, however, this small series has yielded insufficient information to assess its usefulness in making the diagnosis and the decision for laparotomy. Further studies are required to ascertain whether it will make any significant difference in the form of management.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 12 (1997), S. 132-136 
    ISSN: 1437-9813
    Keywords: Laparoscopy ; Blunt abdominal trauma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study evaluates the safety and role of laparoscopy in the diagnosis of blunt abdominal trauma in children. Laparoscopy was performed in five patients aged 3 to 13 years because of persistent abdominal pain after blunt trauma. A laparotomy was not indicated from the physical examination, laboratory data, or radiologic findings. With the patient under general anesthesia, a 10-mm trocar was inserted through the umbilical fossa and the intra-abdominal organs were observed for 10–60 min under an insufflation pressure of 10–12 mmHg. The patients remained hemodynamically stable without pneumothorax development. Three patients underwent laparatomies: one, who had blood in the omental sac, had a duodenal injury with hemorrhagic necrosis and underwent a resection; one with ascites and high amylase levels had an injury of the main pancreatic duct and underwent resection of the pancreatic tail; and one who had fresh blood in the upper abdomen and Douglas' pouch had a splenic hemorrhage and underwent hemostasis. The other two had serous or serosanguinous ascites and recovered without surgery. In patient 1, the same amount of information might have been obtained from a barium study. In patient 2, the pancreatic transection might have been diagnosed from ascites shown on serial computed tomograms. Patient 3 might also have been treated successfully non-surgically. It hus appears that laparoscopy may be a safe diagnostic method for blunt abdominal trauma in children, however, this small series has yielded insufficient information to assess its usefulness in making the diagnosis and the decision for laparotomy. Further studies are required to ascertain whether it will make any significant difference in the form of management.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-2242
    Keywords: Key words RFLP markers ; Days-to-heading ; QTL analysis ; Rice ; Epistatic interaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Quantitative trait locus (QTL) analysis has been carried out to identify genes conferring heading date in rice. One hundred and eighty six F2 plants derived from a cross between a japonica variety, Nipponbare, and an indica variety, Kasalath, were used as a segregating population for QTL mapping and more than 850 markers were employed to identify QTLs. Scan-analysis revealed the existence of two QTLs with large effects, Hd-1 and Hd-2, one in the middle of chromosome 6 and one at the end of chromosome 7, respectively. For both loci, the Kasalath alleles reduced days-to-heading. In addition, three QTLs with minor effects, Hd-3, Hd-4 and Hd-5, were found to be located on chromosomes 6, 7 and 8 based on a secondary scan analysis which was carried out by removing the phenotypic effects of Hd-1 and Hd-2. For the three secondary loci, the Nipponbare alleles reduced days-to-heading. The five QTLs explained 84% of the total phenotypic variation in the F2 population based on a multiple-QTL model. The presence of a digenic interaction between Hd-1 and Hd-2 was clearly suggested.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-2242
    Keywords: STS ; RFLP ; Rice ; Genetic map ; Coding region
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Generating sequence-tagged sites (STSs) is a prerequisite to convert a genetic map to a physical map. With the help of sequence information from these STSs one can also isolate specific genes. For these purposes, we have designed PCR primer sets, of 20 bases each, by reference to sequences of restriction fragment length polymorphism (RFLP) landmarkers consisting of rice genomic clones. These markers were evenly distributed over the 12 chromosomes and were shown to be single copy by Southern-blot analysis. With improved PCR protocols, 63 standard STS landmarkers in the rice genome were generated. Similarity searches of all partial sequences of RFLP landmarkers by the FASTA algorithm showed that 2 of the 63 RFLP landmarkers, G357 and G385, contained part of the ORFs of aspartate aminotransferase and protein kinase, respectively.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-2242
    Keywords: Gametophyte gene ; Genetic map ; Hybrid sterility gene ; Rice ; Segregation distortion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We have constructed a high-resolution rice genetic map containing 1383 DNA markers covering 1575 cM on the 12 linkage groups of rice using 186 F2 progeny from a cross between a japonica variety, ‘Nipponbare’, and an indica variety, ‘Kasalath’. Using this high-resolution molecular linkage map, we detected segregation distortion in a single wide cross of rice. The frequencies of genotypes for 1181 markers with more than 176 genotype data were plotted along this map to detect segregation distortion. Several types of distorted segregation were observed on 6 of the chromosomes. We could detect 11 major segregation distortions at ten positions on chromosomes 1, 3, 6, 8, 9, and 10. The strongest segregation distortion was at 107.2 cM on chromosome 3 and may be the gametophyte gene 2 (ga-2). The ‘Kasalath’ genotype at this position was transmitted to the progeny with about a 95% probability through the pollen gamete. At least 8 out of the 11 segregation distortions detected here are new. The use of the high-resolution molecular linkage map for improving our understanding of the genetic nature and cause of these segregation distortions is discussed.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-2242
    Keywords: Key words Regeneration ability ; QTL ; Rice ; Oryza sativa L. ; Seed callus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Quantitative trait loci (QTL) controlling the regeneration ability of rice seed callus were detected using 245 RFLP markers and 98 BC1F5 lines derived from two varieties, ‘Nipponbare’ and ‘Kasalath’. Regeneration ability was evaluated by two indices: average number of regenerated shoots per callus (NRS) and regeneration rate (RR). The BC1F5 lines showed continuous segregation for both indices. Five putative QTL for NRS (tentatively named qRg1, qRg2, qRg4a, qRg4b and qRg4c) located on chromosomes 1, 2 and 4 were detected. Digenic interaction among these detected QTL was not significant (P〈0.01). Among the five QTL detected, four ‘Kasalath’ alleles and one ‘Nipponbare’ allele increased NRS. According to an estimate based on the nearest marker loci, the five QTL accounted for 38.5% of the total phenotypic variation of the BC1F5 lines. For RR, four putative QTL were detected on chromosomes 2 and 4, and all of these were in the same chromosomal regions as the NRS QTL. The four RR QTL accounted for 32.6% of the total phenotypic variation.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-2242
    Keywords: Plant disease resistance ; Rice ; Xanthomonas oryzae pv. oryzae ; YAC
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Map-based cloning methods have been applied for isolation of Xa-1, one of the bacterial blight resistance genes in rice.Xa-1 was previously mapped on chromosome 4 using molecular markers. For positional cloning of Xa-1, a high-resolution genetic map was made for theXa-1 region using an F2 population of 402 plants and additional molecular markers. Three restriction fragment length polymorphism (RFLP) markers, XNpb235, XNpb264 and C600 were found to be linked tightly to Xa-1, with no recombinants, and U08 750 was mapped 1.5 cM from Xa-1. The screening of a yeast artificial chromosome (YAC) library using theseXa-1-linked RFLP markers resulted in the identification of ten contiguous YAC clones. Among these, one YAC clone, designated Y5212, with an insert of 340 kb, hybridized with all three tightly linked markers. This YAC was confirmed to possess the Xa-1 allele by mapping the Xa-1 gene between both end clones of this YAC (Y5212R and Y5212L).
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-2242
    Keywords: Key words Saturation mapping ; Yeast artificial chromosome (YAC) ; Rice ; Pi-b ; Blast disease resistance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Saturation mapping of a very small genomic region is indispensable for map-based cloning. We applied a method based on sub-cloning and the Southern-hybridization technique for generating RFLP markers directly from yeast artificial chromosomes (YACs). Two YACs overlapping each other and covering the locus of the rice blast resistance gene, Pi-b, were used to construct a plasmid sub-library. Rice-specific and single-copy clones suitable as probes for RFLP analysis were selected from this sub-library by hybridization to the blots of digested DNAs of rice, YACs, and yeast. As a result, 22 markers were produced within a small chromosomal region including Pi-b. This case study shows that overlapping YACs known to cover the gene of interest are very useful in fine-scale physical mapping leading to map-based cloning of the target gene.
    Type of Medium: Electronic Resource
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