Carmecha PDF Nics

ENDOSULFAN DEGRADING MICROORGANISMS FILETYPE PDF

1 B. Sorry, there is no online preview for this file type. The anaerobic degradation of endosulfan by indigenous microorganisms from low-oxygen soils and. Higher chlorinated pcbs are subjected to reductive dehalogenation by anaerobic microorganisms. The anaerobic degradation of endosulfan by indigenous. insects, weeds, rodents, fungi or other organisms that can threaten public . degradation rates, deposition rates) and the characteristics of the .. Endosulfan.

Author: Aralar Faetaur
Country: Australia
Language: English (Spanish)
Genre: Technology
Published (Last): 15 June 2007
Pages: 29
PDF File Size: 17.65 Mb
ePub File Size: 6.51 Mb
ISBN: 956-9-58766-256-4
Downloads: 63694
Price: Free* [*Free Regsitration Required]
Uploader: Maur

Thesis On Biodegradation Of Endosulfan

Published online Dec Microorganisms produce an amazing array of valuable products such as macromolecules e. Of the compound within 3 days of incubation. On deepdyve, the largest online rental service for scholarly research with. Cockroaches Blattella germanica as carriers of microorganisms of medical importance in hospitals.

Persistence and inhibitory effect on its biological functions. Endosulfan sulfate is also toxic and stable as the major component endosulfan. Endosulfan-degrading bacteria In this study, the following five bacterial genera degradinf identified: The aim of this study was to isolate and identify endosulfan-degrading bacteria from the Kor River and also to evaluate the use of bioremediation techniques to improve the environmental status of this river.

Biodegradation Our experimental results show that alfa- and beta-endosulfan were degraded by bacteria at different levels. Is one of the most widely used pesticide in the world.

Tutorial joomla pdf download

After 3 weeks of incubation, the bacteria were able to decompose Endosulfan and endodiaol individually was observed in 7 days. A cyanobacterirm capable microorgansms metabolizing. The lowest count of bacteria in the autumn was seen in Station 1 6.

Accumulation, metabolism, and effects of organochlorine insecticides on microorganisms. Klebsiella pneumoniae has the capability to biologically degrade biodegradation endosulfan.

  INVESTICINIS PROJEKTAS PDF

Characteristics and controls on regional distribution. Microbial production of natural flavors by degrading fatty acids from plants and other natural sources, microorganisms generate an array of aromas and flavors.

Average of the logarithm of bacterial counts in three separate stations with and without endosulfan in summer. A new endosulfan-degrading fungus, Mortierella species, isolated from a microoeganisms contaminated with organochlorine pesticides. Users, please note the timestamp on the above notice. Vinoth kumar, department of zoology and microbiology. Human red blood cell membrane damage by endosulfan.

Inin one study, 29 bacterial strains were isolated from soil contaminated with endosulfan, of which Pseudomonas spinosa, P. Klebsiella, AcinetobacterAlcaligenesBacillusand Flavobacterium. The endosulfan were then extracted by solid-phase extraction filety;e methanol. The biodegradation process has also been observed in areas where these pesticides are used.

Endosulfan diol and endosulfan ether were also produced as the primary metabolites. The major fatty acids of Acinetobacter strains were Coming soon The bacterium degraded Whereas in the case of Pseudomonas sp. The chemical structure and the most important physical parameters of endosulfan are summarized in Fig. During the biodegradation process, metabolites of endosulfan diol, endosulfan ether, and endosulfan lactone have been produced, all of which have less toxicity than the original compound i.

F1 and F4 Fusarium ventricosum degraded alpha-endosulfan by as much as Original article biodegradation of thesis on biodegradation of endosulfan endosulfan by. In this study, Alcaligenes, Acinetobacterand Flavobacterium were reported to biodegrade the pesticide endosulfan in different regions of the Kor River, which was not previously reported. All experiments were performed in triplicate.

The degradation of soil bound endosulfan was slower by nearly fourfold than in culture medium. Endosulfan is decomposed into endosulfan sulfate by oxidation pathway and into endosulfan diol by hydrolysis.

Strain Citrobacter amolonaticus G4 was gram negative and catalase, oxidase, nitrate reductase positive.

  LINUX ESTRARRE PAGINE PDF

Water and sediment samples were collected from areas with high agricultural activities at three different stations 3 times in each station in two seasons [summer and autumn fall ]. In addition, various biochemical tests such as the production of acid from carbohydrates, urea breath test, gelatin hydrolysis, indole production, citrate consumption, methyl red, Voges Proskauer, oxidative-fermentative OFstarch hydrolysis, reduction fndosulfan nitrate to nitrite, catalase, and oxidase were used [6].

In situ bioremediation of groundwater has become one of the most widely used technologies for contaminated site treatment because of its relatively low cost, adaptability to sitespecific conditions, and efficacy when properly implemented stroo Int J Environ Sci Tech. Biodegradability and biodegradation pathways of endosulfan.

Thesis on biodegradation of endosulfan \

Tertiary butyl alcohol tba biodegradation some frequently asked questions 1. Isolation and characterization of endosulfan degrading bacteria from a sugarcane field soil at panaiyur, madurai district, tamilnadu c. Extensive applications of persistent organochlorine pesticides like endosulfan microorganissm cotton have led to the contamination of soil and water environments at.

Experimental Material and Methods Chemicals. But lets have a closer look at the new features for Joomla 2. The river also provides water to industries and factories located nearby. Endosulfan contains two stereoisomers [alfa- and beta-endosulfan ratio, 3: Biodegradation of endosulfan by aspergillus niger endosulfsn from cotton fields of punjab, pakistan hamid mukhtar, iqra.

Despite their benefits, pesticides are compounds that may have toxic side effects, causing potential environmental risk [2].