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Saturnina Halos
  • Philippines

Saturnina Halos

La presente invention porte sur des procedes de production de preparations microbiennes pour la production de recoltes et sur des preparations microbiennes obtenues par lesdits procedes. Les formulations contiennent des inoculants... more
La presente invention porte sur des procedes de production de preparations microbiennes pour la production de recoltes et sur des preparations microbiennes obtenues par lesdits procedes. Les formulations contiennent des inoculants microbiens du type Azospirillum spp. qui sont amenes a se developper dans un milieu complexe, lyophilise par du lait en poudre et en outre supplemente par des mineraux et des vitamines, de l'amidon et des substances inertes telles que le talc, la craie et la terre diatomee. Les produits fabriques par ces procedes ont des durees de vie de plus de 3 ans. Ils sont utilises pour inoculer des semences, des jeunes pouces et des materiaux de plantation parmi differentes especes pour l'agriculture et les forets pour augmenter la formation des racines, des poils absorbants et des pouces, permettre a des plantes d'utiliser efficacement des nutriments de sol, doter les plantes d'azote provenant de l'air, tolerer la secheresse et proteger les plant...
Pseudomonas aeruginosa isolated from patients with nosocomial infections confined in the Intensive Care- Coronary Care Unit (ICU-CCU) of the Philippine General Hospital from August to October, 1988 and from hospital equipment and... more
Pseudomonas aeruginosa isolated from patients with nosocomial infections confined in the Intensive Care- Coronary Care Unit (ICU-CCU) of the Philippine General Hospital from August to October, 1988 and from hospital equipment and personnel in the same unit were studied for their antibiotic and metal resistance patterns and O serotypes. The genetics of the resistance was also studied. Twenty two of the 41 isolates (53.66%) exhibited resistance to at least three (3) of the seven (7) antibiotics tested against them, namely: piperacillin, carbenicillin, gentamicin, amikacin, netilmicin, tobramycin and ceftazidime using the disc-agar diffusion method. All of these antibiotic resistant isolates showed resistance to tobramycin and netilmicin, 51.21% were resistant to carbenicillin and piperacillin, 48.78% to gentamicin, 12.19% to ceftazidime and 9.75% to amikacin. The remaining 46.34% showed sensitivity to all of the test antibiotics. The resistance to multiple antibiotics, to tellurite an...
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Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The... more
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods.
Page 1. Intergeneric Protoplast Fusion of Trichoderma reesei RUT C-30 and Penicillium funiculosum Thom MG-171 for Improved Cellulase Production LAURA J. PHAM AND SATURNINA C. HALOS National Institutes of Biotechnology ...
Rice innovations are technologies and practices extensively adopted so as to change production practices and productivity. This paper documents the changes in rice productivity, policy and institutions in the last 100 years and identifies... more
Rice innovations are technologies and practices extensively adopted so as to change production practices and productivity. This paper documents the changes in rice productivity, policy and institutions in the last 100 years and identifies the technological change that may have affected rice productivity. One hundred years has totally changed rice production practices and improved productivity. Technical innovations that helped improved rice productivity include irrigation, pest management notably, the management of locust outbreaks, fertilization, modern varieties, farm mechanization, improved rice milling and crop rotation. Irrigation increased productivity and the total annual area planted to rice. More technologies associated with irrigated lowland rice cropping were developed and disseminated subsequently rice productivity in irrigated areas is higher than in other areas.
Population data was collected for the STR loci F13AO1, FES/FPS, HUMvWA, and HUMTHO1, in three major Philippine ethnolinguistic groups and used to estimate statistical parameters for identity testing in forensic work on Filipinos. The... more
Population data was collected for the STR loci F13AO1, FES/FPS, HUMvWA, and HUMTHO1, in three major Philippine ethnolinguistic groups and used to estimate statistical parameters for identity testing in forensic work on Filipinos. The Cebuano, Ilocano, and Pampango populations in the Philippines were studied because they are among the biggest linguistic groups in the country, thus their genotypic profiles should substantially represent those of many Filipinos. The number of alleles varied from 4 to 9 at all loci, falling within the range observed for other local and world populations. Pairwise comparisons of the allele frequency distributions showed no statistical differences among the populations. The test for linkage equilibrium showed no evidence of non-random association of alleles across the physically unlinked loci in any of the three populations. The four loci combined gave an exclusion power of > or =0.9995 and a power of paternity exclusion of 0.8859-0.9389.
Research Interests:
Page 1. Intergeneric Protoplast Fusion of Trichoderma reesei RUT C-30 and Penicillium funiculosum Thom MG-171 for Improved Cellulase Production LAURA J. PHAM AND SATURNINA C. HALOS National Institutes of Biotechnology ...
Page 1. Intergeneric Protoplast Fusion of Trichoderma reesei RUT C-30 and Penicillium funiculosum Thom MG-171 for Improved Cellulase Production LAURA J. PHAM AND SATURNINA C. HALOS National Institutes of Biotechnology ...
The tissue culture response of embryo explants of four fast- and slow-growing provenances of Pinus caribaea var. hondurensis was investigated. Treatments included adventitious bud induction and development with benzyladenine (BA) at... more
The tissue culture response of embryo explants of four fast- and slow-growing provenances of Pinus caribaea var. hondurensis was investigated. Treatments included adventitious bud induction and development with benzyladenine (BA) at different concentrations and exposure periods, root induction with naphthaleneacetic acid (NAA) and indolebutyric acid (IBA) and cullus production with combinations of NAA, 2, 4-dichlorophenoxyacetic acid (2, 4-d), BA and kinetin. Fast-growing provenances produced nodules earlier on the cotyledonary surface, developed shoots earlier from induced buds and produced more shoots per surviving embryo at lower BA concentrations tested compared with slow-growing provenances. On the other hand, calluses of the slow-growing provenance, La Mosquitia, grew faster on media supplemented with cytokinins and auxins compared with those grown on media supplemented with auxin only. This reaction was not observed with fast-growing provenances. It is suggested that cytokinins in fast-growing provenances promted organized development more efficiently than in slow-growing provenances.
Adventitious shoot formation was induced in excised mature embryos of Pinus caribaea using a modified Murashige and Skoog medium (MSM) supplemented with 6-benzyladenine. The highest frequency (96%) of adventitious bud production was... more
Adventitious shoot formation was induced in excised mature embryos of Pinus caribaea using a modified Murashige and Skoog medium (MSM) supplemented with 6-benzyladenine. The highest frequency (96%) of adventitious bud production was observed when embryos were exposed to 8.9 μM BA for one week prior to transfer to a growth regulator-free medium. Increased BA concentration and longer exposure to BA significantly reduced survival rates of explants. Dilution of the basal medium to 1/4× and 1/8× decreased shoot formation but 1/2× was just as effective as full-strength. Addition of auxins, glyphosate and coconut water to the rooting medium did not improve rooting success beyond that of spontaneous rooting. Sucrose at 1.5% significantly increased rooting of shoots. Plantlets were successfully transferred to the soil after preincubation in liquid medium.
Allele frequency distributions at the short tandem repeat (STR) loci HUMVWA, HUMFES, HUMF13A01 and of the variable number of tandem repeat (VNTR) locus D1S80 were determined in a Filipino population from Metro Manila (103 individuals) by... more
Allele frequency distributions at the short tandem repeat (STR) loci HUMVWA, HUMFES, HUMF13A01 and of the variable number of tandem repeat (VNTR) locus D1S80 were determined in a Filipino population from Metro Manila (103 individuals) by use of the polymerase chain reaction (PCR) followed by polyacrylamide gel electrophoresis (PAGE). The exact test demonstrated that all four loci had no deviations from Hardy-Weinberg equilibrium (HWE) with the only reservation that the exact test p-value for F13A01 is weak. The discriminating power is 0.82 for D1S80, and the expected exclusion chance is 0.85 for F13A01, 0.83 for FES, and 0.93 for VWA. The observed heterozygosity rates are 0.63 for D1S80, 0.66 for F13A01, 0.67 for FES, and 0.80 for VWA. The exact test for independance between all loci gave a p-value of 0.0195. This is the first time that Filipino population data of DNA loci of forensic importance are reported.
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The... more
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods.
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The... more
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods.
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The... more
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods.
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The... more
Two new products: 9,10-seco-1,3,5(10)-pregnatrien-3,17 a-dihydroxy-9,20-dione and 9,10-seco-1,3,5(10)-pregnatrien-3,17a,20-triol-9-one, have been isolated as 17 α-hydroxyprogesterone transformation products fromNocardia DSM 43298. The structures were established by spectroscopic methods.