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Relevant bibliographies by topics / 16S Rdna Sequencing of P

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Academic literature on the topic '16S Rdna Sequencing of P'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "16S Rdna Sequencing of P"

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Drancourt, Michel, Claude Bollet, Antoine Carlioz, Rolland Martelin, Jean-Pierre Gayral, and Didier Raoult. "16S Ribosomal DNA Sequence Analysis of a Large Collection of Environmental and Clinical Unidentifiable Bacterial Isolates." Journal of Clinical Microbiology 38, no. 10 (2000): 3623–30. http://dx.doi.org/10.1128/jcm.38.10.3623-3630.2000.

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Some bacteria are difficult to identify with phenotypic identification schemes commonly used outside reference laboratories. 16S ribosomal DNA (rDNA)-based identification of bacteria potentially offers a useful alternative when phenotypic characterization methods fail. However, as yet, the usefulness of 16S rDNA sequence analysis in the identification of conventionally unidentifiable isolates has not been evaluated with a large collection of isolates. In this study, we evaluated the utility of 16S rDNA sequencing as a means to identify a collection of 177 such isolates obtained from environmen

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Lawton, Samantha J., Allison M. Weis, Barbara A. Byrne, et al. "Comparative analysis of Campylobacter isolates from wild birds and chickens using MALDI-TOF MS, biochemical testing, and DNA sequencing." Journal of Veterinary Diagnostic Investigation 30, no. 3 (2018): 354–61. http://dx.doi.org/10.1177/1040638718762562.

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Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) was compared to conventional biochemical testing methods and nucleic acid analyses (16S rDNA sequencing, hippurate hydrolysis gene testing, whole genome sequencing [WGS]) for species identification of Campylobacter isolates obtained from chickens ( Gallus gallus domesticus, n = 8), American crows ( Corvus brachyrhynchos, n = 17), a mallard duck ( Anas platyrhynchos, n = 1), and a western scrub-jay ( Aphelocoma californica, n = 1). The test results for all 27 isolates were in 100% agreement between MALDI

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Gu, F., Y. Li, C. Zhou, et al. "Bacterial 16S rRNA/rDNA Profiling in the Liquid Phase of Human Saliva." Open Dentistry Journal 3, no. 1 (2009): 80–84. http://dx.doi.org/10.2174/1874210600903010080.

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Human saliva can be separated by centrifugation into cell pellet and cell-free supernatant, which are called cellular phase and liquid phase in this study. While it is well documented that the cellular phase of saliva contains hundreds of oral bacteria species, little is known whether the liquid phase of saliva contains any information related to oral microbiota. In this study, we analyzed the bacterial nucleic acid contents of the liquid phase of saliva. Using primers universal to most eubacterial 16S rDNA, we detected large amounts of bacterial 16S rRNA and rDNA in the cell-free phase of sal

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Girsova, Natalya, Denis Erokhin, Dmitriy Vorobyov, Damir Bogoutdinov, and Tatyana Kastalyeva. "Identification of 16SrXII-A and 16SrXII-H Phytoplasma Subgroup in Russia, Using 16S rDNA NGS Analysis." Ratarstvo i povrtarstvo, no. 00 (2025): 8. https://doi.org/10.5937/ratpov61-51638.

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The RFLP analysis of the 16S rDNA revealed two distinct phytoplasma groups, 16SrXII-A and 16SrXII-H, suggesting the presence of diverse phytoplasma strains within the analyzed isolates from the Russian State Collection of Pathogenic Microorganisms. Partial 16S rDNA sequences of four phytoplasma, 'Candidatus Phytoplasma', isolates belonging to the 16SrXII group from the three plant species: common hop (Humulus lupulus L.), Indian datura (Datura metel L.) and grapevine (Vitis vinifera L.) are presented. DNA of gene coding 16S rRNA was amplified, using nested PCR with primers P1/16Sr-SR and R16F2

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Iliyasu, M. Y., R. A. Bamanga, A. F. Umar, E. B. Agbo, and A. Uba. "16S rDNA Sequencing analysis in identification of some multidrug resistant (MDR) bacterial isolates from clinical specimens." Nigerian Journal of Biotechnology 36, no. 2 (2020): 158–66. http://dx.doi.org/10.4314/njb.v36i2.16.

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Accurate identification of bacterial pathogens from clinical specimens and Multidrug Resistant (MDR) characterization is a key to empirical therapy. Twelve (12) bacteria isolates from blood, urine and faecal samples were selected based on the ability to grow on Luria Bertani (LB) agar medium containing 100μg/ml ampicillin, identified by 16S rDNA PCR and sequencing. Identified isolates tagged; U01, U02, U03, U04, S08, U10 and U11 were from urine specimens, S05, S06, S07 and S12 from stool, while B09 was from blood. The isolates were screened for MDR pattern according to Kirby-Bauer disc diffusi

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Li, Xu-Ming, Qing Lv, Ya-Jun Chen, Lu-Biao Yan, and Xin Xiong. "Association between childhood obesity and gut microbiota: 16S rRNA gene sequencing-based cohort study." World Journal of Gastroenterology 30, no. 16 (2024): 2249–57. http://dx.doi.org/10.3748/wjg.v30.i16.2249.

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BACKGROUND This study aimed to identify characteristic gut genera in obese and normal-weight children (8-12 years old) using 16S rDNA sequencing. The research aimed to provide insights for mechanistic studies and prevention strategies for childhood obesity. Thirty normal-weight and thirty age- and sex-matched obese children were included. Questionnaires and body measurements were collected, and fecal samples underwent 16S rDNA sequencing. Significant differences in body mass index (BMI) and body-fat percentage were observed between the groups. Analysis of gut microbiota diversity revealed lowe

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Li, Juan, Yanchen Wen, and Xiangdong Yang. "Understanding the Responses of Soil Bacterial Communities to Long-Term Fertilization Regimes Using DNA and RNA Sequencing." Agronomy 11, no. 12 (2021): 2425. http://dx.doi.org/10.3390/agronomy11122425.

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Studies of soil DNA-based and RNA-based bacterial communities under contrasting long-term fertilization regimes can provide valuable insights into how agricultural management affects soil microbial structure and functional diversity. In this study, soil bacterial communities subjected to six fertility treatments in an alkaline soil over 27 years were investigated by 454 pyrosequencing based on 16S rDNA and 16S rRNA. Long-term fertilization showed significant influences on the diversity of the soil DNA-based bacteria, as well as on their RNA-based members. The top five phyla (Proteobacteria, Ac

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Fosch, Sonia E., Cecilia A. Ficoseco, Antonella Marchesi, Silvina Cocucci, Maria E. F. Nader-Macias, and Beatriz E. Perazzi. "Contraception: Influence on Vaginal Microbiota and Identification of Vaginal Lactobacilli Using MALDI-TOF MS and 16S rDNA Sequencing." Open Microbiology Journal 12, no. 1 (2018): 218–29. http://dx.doi.org/10.2174/1874285801812010218.

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Background:The vaginal microbiome is influenced by a wide variety of factors, including contraceptive methods.Aim:To evaluate the effect of contraceptive methods on vaginal microbiota and to compare MALDI-TOF MS and 16S rDNA sequencing for lactobacilli identification.Patients and Methods:One hundred and one (101) women consulting for birth control were included in a prospective study. Their vaginal content was sampled and analyzed once before they started using the contraceptive method of their choice, and twice after the initiation of contraception, at three months (94/101 women attended) and

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Liu, Lou, Jiale Chen, Yu Chen, et al. "Characterization of Vaginal Microbiota in Third Trimester Premature Rupture of Membranes Patients through 16S rDNA Sequencing." Pathogens 11, no. 8 (2022): 847. http://dx.doi.org/10.3390/pathogens11080847.

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In China, premature rupture of membranes (PROM) counts as a major pregnancy complication in China and usually results into adverse pregnancy outcomes. We analysed the vagina microbiome composition using 16S rDNA V3–V4 amplicon sequencing technology, in this prospective study of 441 women in their third trimester of pregnancy. We first divided all subjects into PROM and HC (healthy control) groups, in order to investigate the correlation of vagina microbiome composition and the development of PROM. We found that seven pathogens were higher in the PROM group as compared to the HC group with stat

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de Vries, Jacob, Faizan Saleem, Enze Li, et al. "Comparative Analysis of Metagenomic (Amplicon and Shotgun) DNA Sequencing to Characterize Microbial Communities in Household On-Site Wastewater Treatment Systems." Water 15, no. 2 (2023): 271. http://dx.doi.org/10.3390/w15020271.

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The performance of on-site wastewater treatment systems (OWTSs) can be improved by altering digester design and by manipulating environmental variables that affect microbial community composition. Community composition can potentially be assessed using high-throughput DNA sequencing, but the two most common methods of community DNA sequencing (16S and shotgun sequencing) generally yield different taxonomic identification profiles and can perform differently according to the sampled environment. To evaluate the use of these two approaches in monitoring OWTS operation, we conducted a comparative

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Dissertations / Theses on the topic "16S Rdna Sequencing of P"

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Ziegler, Katie. "Phylogenetic Analysis of a Group of Enteric Bacteria Based on 16S rDNA Gene Sequencing." Miami University Honors Theses / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=muhonors1111684418.

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Perim, Júlia Elídia de Lima. "Diversidade microbiana envolvida na ciclagem do nitrogênio em solos de cultivo de cana-de-açúcar no estado de São Paulo." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11138/tde-28112016-175102/.

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O Brasil é o maior produtor mundial de cana-de-açúcar, sendo o Estado de São Paulo responsável por mais de 50% do total desta produção. Esta cultura tem um enorme impacto sobre a agricultura brasileira e devido a isto, uma melhor compreensão da composição da comunidade microbiana relacionada a ciclagem do nitrogênio (N) nestes solos é de grande importância para o aprimoramento no cultivo da cana-de-açúcar. No entanto, pouco se sabe sobre a relação entre grupos microbianos e essa cultura. Este trabalho visou determinar variações nas comunidades microbianas que participam das transformações do N

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ANTONIO, Cec?lia de Souza. "Ocorr?ncia de bact?rias endof?ticas associadas a variedades de cana-de-a??car cultivadas nos estados: Alagoas e Pernambuco." Universidade Federal Rural do Rio de Janeiro, 2010. https://tede.ufrrj.br/jspui/handle/jspui/1535.

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Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2017-04-18T20:10:31Z No. of bitstreams: 1 2010 - Cec?lia de Souza Ant?nio.pdf: 1613209 bytes, checksum: e560fdd88ef8707b79c6d4b0120730ec (MD5)<br>Made available in DSpace on 2017-04-18T20:10:31Z (GMT). No. of bitstreams: 1 2010 - Cec?lia de Souza Ant?nio.pdf: 1613209 bytes, checksum: e560fdd88ef8707b79c6d4b0120730ec (MD5) Previous issue date: 2010-04-20<br>CAPES<br>The sugar cane is one of the major agricultural products in Brazil. The crop is able to associate with diazotrophic bacteria (fix nitrogen from the air), that may be located

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CARVALHO, José Roberto Santo de. "Ecologia microbiana de reatores UASB submetidos a diferentes condições de operação para tratar efluente têxtil." Universidade Federal de Pernambuco, 2016. https://repositorio.ufpe.br/handle/123456789/20169.

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Submitted by Fabio Sobreira Campos da Costa (fabio.sobreira@ufpe.br) on 2017-07-31T14:41:08Z No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Dissertação_Mestrado_Roberto_Carvalho_2016.pdf: 4128480 bytes, checksum: d7d2a90680981c944fb1c8f51356fdf0 (MD5)<br>Made available in DSpace on 2017-07-31T14:41:08Z (GMT). No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) Dissertação_Mestrado_Roberto_Carvalho_2016.pdf: 4128480 bytes, checksum: d7d2a90680981c944fb1c8f51356fdf0 (MD5) Previous issue date: 2016-06-28<br

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Fogler, Kendall Wilson. "Effect of Soil Amendments from Antibiotic Treated Cows on Antibiotic Resistant Bacteria and Genes Recovered from the Surfaces of Lettuce and Radishes: Field Study." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/92587.

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Cattle are commonly treated with antibiotics that may survive digestion and promote antibiotic resistance when manure or composted manure is used as a soil amendment for crop production. This study was conducted to determine the effects of antibiotic administration and soil amendment practices on microbial diversity and antibiotic resistance of bacteria recovered from the surfaces of lettuce and radishes grown using recommended application rates. Vegetables were planted in field plots amended with raw manure from antibiotic-treated dairy cows, composted-manure from cows with different historie

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Rauwane, Molemi Evelyn. "Microbial diversity and metal pollution from a platinum mine tailings dam in the North-West Province (RSA) / by Molemi Evelyn Rauwane." Thesis, North-West University, 2008. http://hdl.handle.net/10394/4132.

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The aim of this study was to determine the effects of the heavy metal pollution on microbial diversity along the gradient from a platinum mine tailings dam using culture-dependent (plating methods) and molecular methods. Tailings and soil samples were collected from seven sites (6 samples per site) at increasing distances from the tailings dam. Samples were collected over a two year period and included two rainy and two dry periods. Concentrations of various heavy metals were determined using an inductively coupled plasma mass spectrometer (ICP-MS). The results demonstrated that seasonal varia

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Torres, Adalgisa Ribeiro. "Diversidade genética de enterobactérias endofíticas de diferentes hospedeiros e colonização de Catharantus roseus por endófitos expressando o gene gfp." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/11/11137/tde-03062005-152149/.

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Bactérias endofíticas são aquelas que habitam o interior de tecidos vegetais, sem causar dano aparente aos mesmos, além de desempenhar funções importantes no processo de adaptação das plantas. Especial interesse tem sido dado a tais bactérias devido ao seu potencial no controle biológico. Por isso, é muito importante estudar a diversidade genética de endófitos, além de avaliar o impacto da introdução de endófitos geneticamente modificados no ambiente. Estudos vêm sendo feitos nesse sentido, mas não com bactérias endofíticas da família Enterobacteriaceae. Desta forma, o presente trabalho tev

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Bonilla, German Andres Estrada. "Efeito da inoculação de bactérias mobilizadoras de fósforo na compostagem e no desenvolvimento da cana-de-açúcar." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-29092015-164939/.

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A indústria sucroenérgetica gera grande quantidade de resíduos, sendo a torta de filtro e as cinzas os principais resíduos sólidos. Uma das tecnologias desenvolvidas para o manejo destes resíduos é a compostagem. A aplicação do composto tem mostrado efeitos positivos na cultura da cana-de-açúcar no que diz respeito à fertilização fosfatada. Os objetivos do presente trabalho foram: I. Observar o comportamento das comunidades bacterianas durante a compostagem e o efeito da inoculação de estirpes bacterianas mobilizadoras de fósforo sobre a disponibilidade de fósforo no composto final; II. Avalia

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Kendall, Joshua Robert Allen. "Soil Microbial Ecology Associated with Disease Control of Fusarium oxysporum f. sp.Cucumerinum in Cucumis sativus Cultivation." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1438262404.

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Kanasi, Eleni. "Molecular analysis of the oral microbiota of dental diseases." Doctoral thesis, Umeå : Oral Microbiology, Department of Odontology, Umeå University, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1911.

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Book chapters on the topic "16S Rdna Sequencing of P"

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Oskay, Mustafa. "Optimization of Colony Polymerase Chain Reaction for the Identification of Actinobacteria by Sequencing of the 16S rDNA." In Protocols of Actinomycetes. CRC Press, 2024. http://dx.doi.org/10.1201/9781003398400-36.

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Poole Sophie, Singhrao Sim K., Chukkapalli Sasanka, et al. "Active Invasion of Porphyromonas gingivalis and Infection-Induced Complement Activation in ApoE." In Advances in Alzheimer’s Disease. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-706-1-119.

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Periodontal disease is a polymicrobial inflammatory disease that leads to chronic systemic inflammation and direct infiltration of bacteria/bacterial components, which may contribute to the development of Alzheimer's disease. ApoE&minus;/&minus;mice were orally infected (n=12) with Porphyromonas gingivalis, Treponema denticola, Tannerella forsythia, and Fusobacterium nucleatum as mono-and polymicrobial infections. ApoE&minus;/&minus;mice were sacrificed following 12 and 24 weeks of chronic infection. Bacterial genomic DNA was isolated from all brain tissues except for the F. nu

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Al-Marzooqi, Waleed. "Microbial Diversity and Community Dynamics in the Intestines of Broiler Chicken Raised in an Open-Sided House." In Animal Husbandry [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103815.

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The intestinal microbiota of the chicken plays a central role in enhancing nutrient absorption and affecting both host performance, health and immunity. This study was conducted to assess the relative abundance of bacteria microflora in different segments of the gastrointestinal tract (duodenum, jejunum, ileum, and cecum) of broiler chicken raised in an open-sided house. One hundred fifty-one-day-old chicks of Cobb 500 broiler chickens were raised in an open-sided house fed a standard non-medicated corn-soybean meal diet from day 0–35 days of age. The study showed a distinctive difference in t

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Urumbil, Sithara K. "METAGENOMICS THROUGH NEXT GENERATION SEQUENCING- A LEAP IN THE EXPLORATION OF THE HIDDEN WORLD OF ENDOPHYTIC MICROBIAL COMMUNITY." In Recent Trends in Endophyte Research. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/nbennurch265.

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Endophytes are microbes residing in plant tissue and they are clandestine masters of plant growth regulation. Quantifying taxon frequency and community membership of this microflora will allow us to assess their potential at unprecedented depth. The generation of highly accurate genomic data with advanced computational tools points to application-based perspectives of these phytomicrobes. Whole metagenome analysis and metagenome analysis of 16S rDNA sequences are indispensable technologies to explore this valuable resource of microorganisms. Applications of metagenomic analysis in the field of

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Wen, Feifei, Kui Huang, Junjie Xu, and Wenqi Huang. "Bacterial 16s rDNA diversity in the gut of Eisenia fetida revealed by metagenomics and high-throughput sequencing technology." In Earthworm Technology in Organic Waste Management. Elsevier, 2024. http://dx.doi.org/10.1016/b978-0-443-16050-9.00001-3.

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Azwai, S. M., E. A. Alfallani, S. K. Abolghait, et al. "Isolation and Molecular Identification of Vibrio spp. by Sequencing of 16S rDNA from Seafood, Meat and Meat Products in Libya: A Descriptive Study." In Innovations in Microbiology and Biotechnology Vol. 4. Book Publisher International (a part of SCIENCEDOMAIN International), 2022. http://dx.doi.org/10.9734/bpi/imb/v4/1949a.

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"indicate the kinds of microorganisms present in the sample (Maidak et 1997). The technique therefore provides a list of 16S rRNA sequences as surrogate identification of individuals from the sample. The advantage of 16S rDNA sequencing is that it gives an unambiguous indication of the organisms in the community. The disadvantage of this protocol is that it is costly." In Recent Advances in Marine Biotechnology, Vol. 8. CRC Press, 2003. http://dx.doi.org/10.1201/9781482279986-15.

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Conference papers on the topic "16S Rdna Sequencing of P"

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Le Borgne, S., J. Jan, J. M. Romero, and M. Amaya. "Impact of Molecular Biology Techniques on the Detection and Characterization of Microorganisms and Biofilms Involved in MIC." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02461.

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Abstract Recently, the application of molecular techniques has greatly improved our knowledge of microbial diversity and distribution in environmental samples. In this paper, we have reviewed the molecular biology techniques that can be used to study microorganisms and biofilms involved in the MIC phenomenon. These techniques include 16S ribosomal DNA (16S rDNA) gene based techniques. In particular, 16S rDNA sequencing, the construction of 16S rDNAs libraries, Fluorescence In Situ Hybridization (FISH), Denaturing Gradient Gel Electrophoresis (DGGE) and Random Amplification of Polymorphic DNA (

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De Paula, Renato, Cruz St Peter, Ian Alex Richardson, et al. "DNA Sequencing of Oilfield Samples: Impact of Protocol Choices on the Microbiological Conclusions." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11662.

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Abstract In the last decade, molecular microbiology techniques have significantly expanded the understanding of the resident microflora in hydrocarbon reservoirs and production systems. These methods have been steadily accepted by the industry and are widely viewed as accurate, comprehensive and highly valuable tools that augment or may eventually replace conventional methods. The resulting information has helped operators and service companies to develop better monitoring programs, assess risks and tailor mitigation strategies to control undesired microbial activities in wells, flowlines and

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Le Borgne, S., J. Jan, J. L. Garcia Villalobos, M. Amaya, and J. M. Romero. "Initial Developments of a Database of Bacteria Involved in Microbiologically Influenced Corrosion." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04058.

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Abstract An initial database of bacteria involved in MIC is proposed. It is composed of bacteria detected by Molecular Biology techniques through the sequencing of their 16S rDNA genes in bio films, consortia and samples collected in sites potentially affected by MIC problems. The bacteria were not isolated and their participation in MIC should be evaluated. The use of such data is discussed and future directions are also proposed to continue this work.

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Bartling, Craig, Angela Minard-Smith, Kate H. Kucharzyk, Jennifer Busch-Harris, and Larry Mullins. "Interpreting Omic Data for Microbially Influenced Corrosion: Lessons from a Case Study Involving a Seawater Injection System." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09445.

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Abstract Microbiologically influenced corrosion (MIC) is a significant source of pitting corrosion affecting oil and gas pipelines, wells, and a variety of surface facilities. Understanding of MIC is greatly enhanced through DNA and protein sequencing technologies. This paper highlights the need to understand the methods used to generate the data, the data quality, and the limitations associated with data interpretation through a case study involving the metagenomics and proteomic analysis of pig envelope debris and seawater samples from various locations within a seawater injection system sus

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Bakhash, Rama Bakhash, Farzana Sulaiman, Mashael Al-Shafai, and Annalisa Terranegra. "The Microbiome and Epigenome Profile in Pediatric Type 1 Diabetes in Qatar." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0202.

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This study focused on Qatar’s pediatric population that has witnessed a steep increase in the incidence of the disease. In order to understand this, we analyzed the blood and stool samples of a pilot group of 21 T1D subjects (age 6-12 years old) for the microbiome composition, Short Chain Fatty Acid (SCFA) levels and methylation profiles using 16s rDNA sequencing, gas Chromatography and Infinium methylation assay respectively.

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Teles, Ludmila Thommen, Vitor Heidrich, Rosângela Vieira de Andrade, et al. "Enrichment of intestinal bifidobacterium genus is associated with residual disease among patients with early-stage HER2+ breast cancer (BC) following neoadjuvant chemotherapy (NACT)." In Brazilian Breast Cancer Symposium 2024. Mastology, 2024. http://dx.doi.org/10.29289/259453942024v34s1016.

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Objective: The objective of this study was to characterize the gut microbiome (GM) of patients with early-stage breast cancer (eBC) who underwent NACT and to evaluate its association with clinicopathological factors and outcomes. Methodology: This was a prospective study conducted at two Brazilian Institutions. Fecal samples were collected at the baseline and prior to surgery. The GM was analyzed by 16S rRNA amplicon sequencing to characterize the alpha (InvSimpson indexes) and beta (weighted UniFrac distance) diversity, as well as the taxonomic composition. Results: Among the 55 female patien

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Reports on the topic "16S Rdna Sequencing of P"

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ปิยะธีรธิติวรกุล, สมเกียรติ, та ศิริรัตน์ เร่งพิพัฒน์. แลกติกแอซิดแบคทีเรียที่ใช้เป็นโพรไบโอติกสำหรับปลากะพงขาว Lates calcarifer : รายงานฉบับสมบูรณ์. ศูนย์เชี่ยวชาญเฉพาะทางด้านเทคโนโลยีชีวภาพทางทะเล ภาควิชาวิทยาศาสตร์ทางทะเล คณะวิทยาศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย, 2005. https://doi.org/10.58837/chula.res.2005.76.

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การแยกแลกติกแอซิดแบคทีเรียจากทางเดินอาหารของปลากะพงขาว เพื่อคัดเลือกแบคทีเรียที่มีสมบัติเป็นโพรไบโอติก ด้วยเทคนิค well agar diffusion ผลพบว่า มี 5 ไอโซเลต (กำหนดให้เป็น LAB-1 - LAB-5) ที่สามารถยับยั้งการเจริญของ Aeromonas hydrophila แบคทีเรียก่อโรคในปลาได้ ผลการวิเคราะห์ปริมาณองค์ประกอบในอาหารผสมแบบเปียก พบว่า ปริมาณสารอาหารต่างๆ ในอาหารมีเพียงพอกับความต้องการของปลากะพงขาว ยกเว้นปริมาณไขมันที่ต่ำเกินไป ความเข้มข้นของ A. hydrophila ที่ทำให้ปลาตาย 50% (LC50) หลังจากที่ปลาได้รับเชื้อแล้ว 72 ชั่วโมง มีค่าเท่ากับ 7.76 log10 เซลล์/มล. และที่ 96 และ 120 ชั่วโมง มีค่าเท่ากับ 7.47 และ 7.26 log10 เซลล์/

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Mendoza, Jonathan Alberto, Carolina Mazo, Lina Margarita Conn, Álvaro Rincón Castillo, Daniel Rojas Tapias, and Ruth Bonilla Buitrago. Evaluation of phosphate-solubilizing bacteria associated to pastures of Bracharia from acid soils. Corporación Colombiana de Investigación Agropecuaria - AGROSAVIA, 2015. http://dx.doi.org/10.21930/agrosavia.informe.2015.5.

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Abstract:

Rhizobia have been widely known by their capacity to form a symbiotic relationship with legumes and fix atmospheric nitrogen. Recently, however, rhizobia have shown to associate with plants in different botanical families. In this study, we aimed at elucidating the diversity of rhizobia associated to grasses, and determine their capabilities to solubilize phosphate in both lab and greenhouse experiments. Isolation of rhizobia was performed using rhizosphere from Brachiaria brizantha and B. decumbens and a promiscuous legume trap plant (i.e. Vigna unguiculata). Thirty days after inoculation of

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