Xem 1-20 trên 1608 kết quả Bacteria
  • Ongoing scientific research in many parts of the world on the genomics, proteomics and genetic engineering of LAB is increasing our understanding of their physiology, pushing further the boundaries for their potential applications. "Lactic Acid Bacteria - R&D for Food, Health & Livestock Purposes" is a compilation and discussion of the outstanding scientific research activities concerning actually and future applications of LAB. It is directed to a vast public of readers - researcher, academics, corporate R&D, students or just curious interested in the subject....

    pdf670p phoebe75 19-02-2013 85 40   Download

  • Bacteria that associate with plants are diverse in their ability to affect plant health, their genotypic and phenotypic characteristics, and their phylogeny. These bacteria are typically members of complex microbial communities, with only a few establishing pure clonal populations within a plant.

    pdf716p quang93l 30-03-2014 64 18   Download

  • Tham khảo sách 'antibiotic resistant bacteria – a continuous challenge in the new millennium edited by marina pana', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf586p xumxaxumxit 10-04-2013 62 9   Download

  • Sixty-six acetic acid bacteria (AAB) were isolated from fourty-five flowers and fruits collected in Hochiminh City, Vietnam. Of the sixty-six, thirty-one isolates were selected as dihydroxyacetone (DHA)-producing AAB based on the reaction with Fehling’s solution and grouped into three groups by routine identification with phenotypic features.

    pdf8p bautroibinhyen17 13-02-2017 13 4   Download

  • Harrison's Internal Medicine Chapter 140. Infections Due to the HACEK Group and Miscellaneous Gram-Negative Bacteria The HACEK Group HACEK organisms are a group of fastidious, slow-growing, gram-negative bacteria whose growth requires an atmosphere of carbon dioxide. Species belonging to this group include several Haemophilus species, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae. HACEK bacteria normally reside in the oral cavity and have been associated with local infections in the mouth.

    pdf5p colgate_colgate 21-12-2010 39 3   Download

  • Other Gram-Negative Bacteria Achromobacter xylosoxidans A. xylosoxidans (previously Alcaligenes xylosoxidans) is probably part of the endogenous intestinal flora and has been isolated from water sources. Immunocompromised hosts, including patients with cancer and post- chemotherapy neutropenia, cirrhosis, and chronic renal failure, are at increased risk. Nosocomial outbreaks of A. xylosoxidans infection have been attributed to contaminated fluids, and clinical illness has been associated with isolates from many sites, including blood (often in the setting of intravascular devices).

    pdf5p colgate_colgate 21-12-2010 52 3   Download

  • After studying this chapter you will be able to: Distinguish between the cell walls of gram-positive and gram-negative bacteria; state the function of the following features: capsule, fimbriae, sex pilus, nucleoid, plasmid, and endospore; explain how R plasmids confer antibiotic resistance on bacteria; explain the importance of/uses for prokaryotes

    ppt13p nomoney10 04-05-2017 5 3   Download

  • Bacteria are microscopic, single-celled organisms that are the most numerous organisms on earth. They are so small that over five million could be placed on the head of a pin. Bacteria can live in numerous environments and perform many complex actions, some of which are beneficial and some harmful. Most bacteria, however, are not harmful and do not cause human health problems. Those that are disease producing are referred to as pathogenic. Viruses and some protozoans can also be pathogenic.

    pdf4p uocvong09 16-10-2015 7 2   Download

  • Lecture Microbiology - Chapter 6: Growth and culturing of bacteria. This chapter presents the following content: Growth and cell division, bacterial growth curve, counting large populations, direct counts, counting small populations, other measurements,...

    pdf20p nomoney6 04-03-2017 7 2   Download

  • We studied the applicability of the chemotactic responses of bacteria toward some popular polluting organic chlorinated compounds (e.g. chlorobenzene) in order to develop a biological method that is simple, economical, and time-saving to detect those compounds in environmental samples.

    pdf9p nguoibakhong02 06-10-2017 6 1   Download

  • Isolation and identification of chlorpyrifos degrading bacteria from rice upland crop soil in the mekong delta. The aim of this study is to isolate the bacterial strains which degrade Chlorpyrifos from rice-upland crop soils in the Mekong Delta. Twelve soil samples were taken at Cai Lay - Tien Giang, Cho Moi - An Giang and Binh Tan- Vinh Long.

    pdf6p dangthitrangtrang 10-05-2018 6 1   Download

  • In this study, the calcite precipitation bacteria were investigated. Bacterial strains were isolated from cement samples and were tested for urease activities, potential to form endospore and calcite precipitation. The results showed that four candidates were isolated with high urease activities and calcite precipitation.

    pdf9p tieuthi3006 16-03-2018 4 0   Download

  • tóm tắt. Vi khuẩn sinh trưởng kỵ khí khử nitrat (Nitrate Reducing Bacteria - NRB) tại một số dạng môi trường sinh thái ở Việt Nam, cụ thể là thủy vực nước ngọt, bể xử lý nước thải và đầm nuôi tôm thủy sản ven biển được đánh giá về số lượng và mức đa

    pdf9p heoxinhkute9 09-11-2010 143 45   Download

  • Abstract This study was conducted in order to evaluate the probiotic properties of lactic acid bacteria (LAB) isolated from intestinal tract of broilers and Thai indigenous chickens. The major properties, including the gastric juice and bile salts tolerance, starch, protein and lipid digesting capabilities, and the inhibition on certain pathogenic bacteria were investigated. Three-hundred and twenty-two and 226 LAB strains were isolated from ten broilers and eight Thai indigenous chickens, respectively....

    pdf9p ngovanquang12c3 18-12-2010 104 36   Download

  • This book includes these contents: Volume 1 New Approaches to Research on Cereal Carbohydrates (Hill and Munck, Editors); Volume 2 Biology of Anaerobic Bacteria (Dubourguier et al., Editors); Volume 3 Modifications and Applications of Industrial Polysaccharides (Yalpani, Editor); Volume 4 lnterbiotech '87. Enzyme Technologies (Blaiej and Zemek, Editors);... Invite you to consult this book.

    pdf447p haru123 15-11-2013 99 24   Download

  • ABSTRACT Bacillus spp. were isolated from the intestine of black tiger shrimp Penaeus monodon which were collected from the Gulf of Thailand at Chonburi province area during October 2005 to September 2006. The bacterial antagonist activity were tested with aquacultural pathogenic bacteria. The cross streak method results showed that Bacillus W803 and Bacillus W120 could inhibit Aeromonas hydrophila AQAH after 24 hours.

    pdf8p ngovanquang12c3 18-12-2010 83 22   Download

  • Vi khuẩn lưu huỳnh màu tía (Purple sulfur bacteria): Thuộc nhóm này là các vi khuẩn kỵ khí bắt buộc, có khả năng quang tự dưỡng vô cơ (photolithoautotroph), tế bào có chứa chlorophyll a hoặc b , hệ thống quang hợp chứa các màng hình cầu hay hình phiến (lamellar) gắn với màng sinh chất. Để dùng làm nguồn cho điện tử (electron donors) trong quang hợp thường sử dụng H2, H2S hay S .

    pdf4p cachuadam 26-05-2011 105 21   Download

  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Use of the probiotic Lactobacillus plantarum 299 to reduce pathogenic bacteria in the oropharynx of intubated patients: a randomised controlled open pilot study...

    pdf8p coxanh_3 27-10-2011 39 12   Download

  • Because of the frequent, often daily, exposure to a large number and diversity of pathogens (disease-causing agents), wastewater personnel have general and specific concerns related to the potential health hazards presented by pathogens. Pathogens commonly found in wastewater and of concern to wastewater personnel include viruses, bacteria, fungi, protozoans, and helminths. Allergens, endotoxins, and exotoxins are also found in wastewater and represent a concern to wastewater personnel.

    pdf190p phongmt1993 09-08-2013 53 12   Download

  • Bảng so sánh giữa Arrchea, Bacteria,Siêu giới nhân chuẩn, Tài liệu dành cho các bạn tham khảo, nhất là các bạn học sinh yêu thích và đang học chuyên ngành sinh học, muốn tìm hiểu thêm nhiều tài liệu bổ ích giúp củng cố kiến thức.

    pdf5p heoxinhkute2 23-08-2010 47 8   Download


Đồng bộ tài khoản