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This digital document is a journal article from Soil Biology and Biochemistry, published by Elsevier in 2005. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.

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Phytoextraction of heavy metals is a promising technology to remediate slightly and moderately contaminated soils. To enhance crops' uptake of heavy metals, chelates such as EDGA are being tested as soil additives. Heavy metal loaded EDGA can affect soil organisms such as bacteria and nematodes in various ways: directly via the soil solution surrounding the organisms and indirectly by changing the approachability, amount and quality of specific food items for nematodes and bacteria. In a pot experiment with various crops growing in slightly polluted acid sandy soil (pH 4.5, 2mg Cd and 200mgZnkg^-^1 soil), Cd and Zn loaded EDGA in the soil solution did not affect herbivorous nematodes but did strongly reduce the increase in bacterivorous nematodes. Moreover, while the crop-stimulated increase in numbers of bacterivorous nematodes dropped, the measured amounts and the growth of their food (bacteria) were not reduced. This differential effect of the EDGA addition occurred under moderate (grass) and strong (lupine and yellow mustard) stimulation of bacterivorous nematodes by the crops, and of moderate (grass, yellow mustard) and no (lupine) stimulation of herbivorous nematodes. We assume that EDGA addition did not increase the load of bacteria with adsorbed heavy metals. Probably the bacterivorous nematodes were inhibited to feed by the high concentration of heavy metal-complexed EDGA in the soil solution, also surrounding their prey (bacteria). Although EDGA addition to the soil stimulated uptake of heavy metals by the crops, it decreased heavy metal concentrations in the roots. Herbivorous nematodes were therefore not negatively affected by the EDGA addition to the soil. Fungivorous nematodes were negatively affected by EDGA addition, probably due to increased heavy metal concentrations in the fungal hyphae. Thus, EDGA can have significant side effects on the functioning of the soil organisms, and a thorough analysis of trophic relationships among soil organisms is needed to understand these effects. ... Read more

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This digital document is an article from Fuel Cell Technology News, published by Business Communications Company, Inc. on July 1, 2002. The length of the article is 534 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

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Title: Waste Bacteria Make More Hydrogen.(Brief Article)(Statistical Data Included)
Publication: Fuel Cell Technology News (Newsletter)
Date: July 1, 2002
Publisher: Business Communications Company, Inc.
Volume: 4Issue: 10Page: NA

Article Type: Brief Article, Statistical Data Included

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This thoroughly rewritten and updated Second Edition features expanded coverage on the taxonomy, physiology, and genetic modification of lactic acid bacteria;emphasizing their practical roles as therapeutic agents, animal probiotics, and biotechnological tools.Introduces;for the first time;early and new findings in the field by Russian and Estonian researchers!Further improved with the addition of 5 new chapters and 14 new expert contributors, the Second Edition presentsstate-of-the-art coverage on the molecular biology of lactic acid bacteria and their phagesan update on immune modulationcurrent information on health and safety effects on humans and animals relevant to basic research and product developmentnovel methods for utilizing lactic acid bacteria in animal feedsnew clinical trial data on the probiotic action of lactic acid bacteriacost- and timesaving solutions to on-the-job problems associated with formulating functional foods and ingredientsand much more!Bringing the novice and specialist up to date with over 2100 references;nearly 880 more than the previous edition, Lactic Acid Bacteria, Second Edition is an essential book for food scientists and technologists, dairy scientists, toxicologists, food biochemists, nutritionists, dietitians, microbiologists, gastroenterologists, agricultural and animal scientists, molecular and cell biologists, virologists, dermatologists, regulatory authorities, and graduate-level students in these disciplines. ... Read more

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Publisher: Oxford, Clarendon pressPublication date: 1887Subjects: Botany -- MorphologyFungi -- MorphologyMyxomycetesBacteriaFungiNotes: This is an OCR reprint. There may be numerous typos or missing text. There are no illustrations or indexes.When you buy the General Books edition of this book you get free trial access to Million-Books.com where you can select from more than a million books for free. You can also preview the book there. ... Read more

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Bacterial infections affect world health today as a leading cause of morbidity and mortality. This book presents in-depth methods and state-of-the-art protocols for investigating specific mechanisms of pathogenesis for a wide range of bacteria. Written by experts in the field, this invaluable collection includes protocols to study host-pathogen interactions, animal models of infection, and novel approaches to identifying therapeutic targets designed to control infections.

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This digital document is an article from Macmillan Reference USA Science Library: Biology, brought to you by Gale®, a part of Cengage Learning, a world leader in e-research and educational publishing for libraries, schools and businesses.The length of the article is 1157 words.The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase.You can view it with any web browser.A comprehensive collection of articles on all aspects of biological science, including its history and issues. Includes articles on biology-related careers and important individuals, as well as topics from active transport to zoology research. ... Read more

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The “Gale Encyclopedia of Nursing and Allied Health” is an alphabetically arranged five-volume set of more than 850 entries written for students and professionals in the field. Topics include body systems and functions, conditions and common diseases, issues and theories, techniques and practices, and devices and equipment. The Encyclopedia covers all major health professions, including nursing, physical therapy, occupational therapy, respiratory therapy, medical lab technology, emergency medical technology, dental assistance, pharmacology and nutrition, and features appendices of related organizations, agencies and associations.

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This digital document is an article from Science News, published by Thomson Gale on September 1, 2007. The length of the article is 559 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.

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Title: Share alike: genes from bacteria found in animals.(This Week)
Author: P. Barry
Publication: Science News (Magazine/Journal)
Date: September 1, 2007
Publisher: Thomson Gale
Volume: 172Issue: 9Page: 131(1)

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In ancient times foods fermented with lactic acid bacteriaalready constituted an important part of the human diet. From then on,lactic acid bacteria have played an essential role in the preservationof food raw materials and have contributed to the nutritional,organoleptic and health properties of human food products and animalfeed. The important function that lactic acid bacteria still have inthe production of foods all over the world has resulted in a growingscientific interest in these micro-organisms by academic researchgroups as well as by industry. During the last 15 years, this researchhas been stimulated by major internationally coordinated fundingefforts that have resulted in a variety of important scientificbreakthroughs and have led to new applications. Written byinternational experts in the field, this issue of Antonie vanLeeuwenhoek documents these developments with respect togenetics, metabolism and the application of lactic acid bacteria forindustrial and potential medical applications. In this book the firstcomplete genome of a lactic acid bacterium is presented. The book willserve as a reference source and also as an indispensable source ofinformation for further development and exploration of the field. ... Read more