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Monday, July 13, 2020 | History

2 edition of Bactericidal effects of algae on enteric organisms found in the catalog.

Bactericidal effects of algae on enteric organisms

Ernst M. Davis

Bactericidal effects of algae on enteric organisms

technical report to the Federal Water Pollution Control Administration

by Ernst M. Davis

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  • 32 Currently reading

Published by Center for Research in Water Resources, Environmental Health Engineering Research Laboratory, University of Texas at Austin in [Austin] .
Written in English

    Subjects:
  • Antibiosis.,
  • Enterobacteriaceae.,
  • Algae.

  • Edition Notes

    Statementby Ernst M. Davis [and] Earnest F. Gloyna.
    SeriesCRWR ;, 55, Technical report (University of Texas at Austin. Center for Research in Water Resources) ;, CRWR-55.
    ContributionsGloyna, Earnest F., joint author., United States. Federal Water Pollution Control Administration., University of Texas at Austin. Environmental Health Engineering Research Laboratory.
    Classifications
    LC ClassificationsQR99 .D38
    The Physical Object
    Paginationx, 132 l.
    Number of Pages132
    ID Numbers
    Open LibraryOL4697782M
    LC Control Number77634049

    1 day ago  (1) Background: Psoriatic Arthritis (PsA) is a painful disease of the joints and spine. Recent reports observed distinct enteric dysbiosis in PsA; intake of probiotic strains is considered to ameliorate enteric dysbiosis. If probiotics are effective in PsA is elusive. (2) Methods: In this pilot open-label study we enrolled 10 PsA patients with low to medium disease activity who received.   Cyanobacteria (blue-green algae) can produce a variety of toxins including hepatotoxins e.g. microcystins, and endotoxins such as lipopolysaccharides (LPS). The combined effects of such toxins on fish are little known. This study examines the activities of microsomal (m) and soluble (s) glutathione S-transferases (GST) from embryos of the zebra.

    Shewanella algae is a mesophilic marine bacterium and is a recently defined species closely related to the more psychrotolerant Shewanella putrefaciens ().Strains of S. algae probably play an important role in the environment, e.g., in the turnover of inorganic material, since the organism is capable of reducing Fe(III) in anaerobic respiration (4, 36). Bacteria - Bacteria - Physical requirements: The physical requirements that are optimal for bacterial growth vary dramatically for different bacterial types. As a group, bacteria display the widest variation of all organisms in their ability to inhabit different environments. Some of the most prominent factors are described in the following sections.

    Salmonella, (genus Salmonella), group of rod-shaped, gram-negative, facultatively anaerobic bacteria in the family Enterobacteriaceae. Their principal habitat is the intestinal tract of humans and other animals. Some species exist in animals without causing disease symptoms; others can result in any of a wide range of mild to serious infections termed salmonellosis in humans. Article Application of microbial bacterial fertilizer in agricultural organic fertilizer production line. Bio-fertilizer is a kind of product that leads to the specific fertilizer effect of crops caused by the life activities of microorganisms, and i.


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Bactericidal effects of algae on enteric organisms by Ernst M. Davis Download PDF EPUB FB2

Get this from a library. Bactericidal effects of algae on enteric organisms. [Ernst M Davis; Earnest F Gloyna; United States. Federal Water Quality Administration.]. BACTERICIDAL EFFECTS OF ALGAE ON ENTERIC OBGAJHSMS Ernst M. Davis, Assistant Professor Earnest F. Gloyna, Professor CENTER FOR RESEARCH IN WATER RESOURCES Environmental Health Engineering Research Laboratory Civil Engineering Department The University of Texas at Austin for the FEDERAL WATER QUALITY ADMINISTRATION DEPARTMENT OF THE.

4. Discussion. LPS are produced by Gram negative bacteria, including cyanobacteria. Cyanobacterial LPS may be found in large quantities during cyanobacterial blooms though, as yet, they have been little investigated and are considered less toxic to rodents than the LPS of heterotrophic bacteria e.g.

of Salmonella (Katz et al.,Keleti and Sykora,Raziuddin et al., ).Cited by: Introduction: Intestinal bacteria are exposed many external influences, including drugs, causing the emergence of strains resistant to the effects of antibiotics.

Consequently, the discovery of new antibiotics that affect resistant strains is required. Marine algae offer a source of renewable natural compounds with antimicrobial by: 3. The tight control of the bacterial diffusivity toward the motile algae could provide tracking bacteria with a competitive advantage over non-tracking bacteria.

Since motility is one of the largest genetic loads most bacteria possess [ 32 ] there would be strong selection for any energetic gain provided by a competitive motility by:   The growth of S. quadricauda in the absence of pond bacteria appeared to have a protective effect on I00 ~.

_ l l 1 | I0 I Q: I rn Control N~ - L~ Bacteria 0 Algae-Bacteria I I 1," I 0 40 80 Time, h FIG. Virus inactivation in algae-bacteria cultures, bacteria cultures and control flasks.

The effect of algae on the removal of faecal bacteria in wastewater treatment ponds and Free Water Surface (FWS) Wetlands are well documented in literature (Curtis,Curtis et al.,Van der Steen et al., a, Van der Steen et al., b, Awuah,Garcia et al., ) and algal treatment ponds appear to be more effective in the.

An integrated photo-bioelectrochemical (IPB) system uses microalgae in the cathode of a microbial fuel cell to achieve higher electricity generation a.

"The problem with enteric bacteria is that, unlike blue-green algae, you can't see it in the water," Maldonado said. "Heed the warnings that the health department puts out about high bacterial.

Campylobacter bacteria can get into your system if you eat undercooked poultry or you eat food that has touched raw or undercooked poultry. The bacteria usually live in the digestive systems of.

Algae constitute a very heterogeneous diverse group of unicellular (microalgae like phytoplankton and cyanobacteria) and multicellular (macroalgae like marine seaweeds, cf. Figure 1) organisms. The bacterial isolates, P.

haloplanktis and S. putrefaciens, tracked algae at mean distances of 4±3 μm and 6±4 μm, respectively (Table 1 and Fig. 1).The bacteria tracked the algae, on average ± s for P. haloplanktis and ± s for S. dual bacterial speeds were not constant while tracking the alga but ranged from 5 to μm s −1 for P.

haloplanktis and from. Bacterial overgrowth is an early event following bile duct ligation. The effect of BDL or sham operations on bacterial contents of the small intestine (proximal, mid, and distal third) and large intestine (cecum and colon) was assessed by conventional culture techniques.

Marine algae reduced CH 4 production significantly, with two species, the brown macroalga Dictyota and the red macroalga Asparagopsis having the most significant effects. Dictyota inhibited TGP by % and CH 4 production by over 92% compared to DCS, while Asparagopsis was the most effective treatment reducing TGP by %, and CH 4 production.

This study aimed to evaluate the antibacterial activity of flavonoids extracted from two Libyan brown algae namely Cystoseira compressa and Padina pavonica using microwave-assisted extraction method against pathogenic bacteria isolated from meat, meat products, milk and dairy products (Staphylococcus aureus subsp.

aureus (5 isolates), Bacillus cereus (3 isolates), Bacillus pumilus (1 isolate. Diet has been shown to have a major impact on enteric bacterial communities of a variety of animals. nigrolineatus provides a unique opportunity to examine the effects of diet change on a wood-consuming organism.

Unlike other xylivorous animals, P. nigrolineatus is capable of shifting between diets with seemingly minimal deleterious health. Bacteria may also enter the body through other means than cuts and lesions, resulting in a variety of infections and health problems.

Helicobacter pylori is thought to be one of the leading causes of ulcers in humans. Respiratory problems, such as pneumonia and some sexually transmitted diseases, are also caused by bacterial strains.

Water. Diet has been shown to have a major impact on enteric bacterial communities of a variety of animals. nigrolineatus provides a unique opportunity to examine the effects of diet change on a wood-consuming organism.

Unlike other xylivorous animals, P. nigrolineatus is capable of shifting between diets with seemingly minimal deleterious health. The bacteria that predominate in this group are Proteobacteria, including to Escherichia coli, Salmonella and other enteric bacteria like Pseudomonas, Moraxella, Helicobacter, Stenotrophomonas, Bdellovibrio, acetic acid bacteria, Legionnaire's disease and the proteobacteria alpha like Wolbachia among others (Madigan et al., ).

Most enteric bacteria of birds and mammals have growth optima at ∼40 °C, suggesting the unexplored possibility that this trait resulted from coevolution of these bacteria with their endothermic hosts.

The reciprocal may also be true, i.e., an animal’s microbial partners may have played a role in selecting for the trait of endothermy.

The release of the endotoxin lipopolysaccharides (LPS) from gram-negative bacteria is key in the induction of the downstream cytokine release from cells targeting cells throughout the body.

However, LPS itself has direct effects on cellular activity and can alter synaptic transmission. Animals experiencing septicemia are generally in a critical state and are often treated with various.respectively inhibited the growth of abalone enteric bacteria.

effects of these bacterial strains were stronger than any potential benefits derived from the ingestion of bacteria by early. Enteric bacteria use a limited array of macromolecular systems to implement diverse pathogenic strategies. The cellular targets of several enteric .