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Evolutionary Cell Biology of the eukaryotic endomembrane system
Evolutionary Cell Biology of the eukaryotic endomembrane system

HUGONIA MYSTAX Research Article ARUMUGAM VIMALAVADY
HUGONIA MYSTAX Research Article ARUMUGAM VIMALAVADY

... maximum zone of inhibition against both gram-positive and gramnegative bacteria while chloroform extract showed maximum zone of inhibition against only gram-negative bacteria but no activity against gram-positive bacteria. This studies revealed that the medicinal and chemical potential of the extrac ...
Bacteria - HCC Learning Web
Bacteria - HCC Learning Web

Chapter 5: Small Gram-negative rods and coccobacilli
Chapter 5: Small Gram-negative rods and coccobacilli

... It is always strongly beta-haemolytic and can be distinguished from A. rossii on biochemical tests. Actinobacillus pleuropneumonia Pneumonic lung specimens are usually cultured on blood agar with a S. aureus streak or on chocolate horse blood agar as rare strains are V factor dependent. The selectiv ...
Gram Negative Bacteria
Gram Negative Bacteria

... “threshold”; the amount of possible salmonella in each chocolate was presumably low enough to not cause any harm. The waxy chocolate, though, acts as a protective barrier for the salmonella, so the salmonella wasn’t destroyed by stomach acid. Even a low dose of salmonella could cause symptoms. COMMO ...
Vaginal Commensal Bacteria
Vaginal Commensal Bacteria

... BV-associated bacteria is growing, since new species are being revealed, due to the use of cultivation independent methods of detection. A virulence property of Prevotella sp. and some other species is the secretion of hydrolytic enzymes. It has been suggested that the capacity to degrade mucins by ...
Exploring Anaerobic Bacteria for Industrial
Exploring Anaerobic Bacteria for Industrial

VIII. NUCLEAR MAGNETIC RESONANCE (NMR) SPECTROSCOPY
VIII. NUCLEAR MAGNETIC RESONANCE (NMR) SPECTROSCOPY

... F:\Attila\Osszesitett\WORD\Oktatas\Eloadasok\ElméletiKémiaI-Angol\Week6.docx ...
Three 1D cyanide-bridged M(Ni, Pd, Pt)
Three 1D cyanide-bridged M(Ni, Pd, Pt)

In Vitro Antibacterial Activity of Eurycoma Longifolia Jack (Tongkat
In Vitro Antibacterial Activity of Eurycoma Longifolia Jack (Tongkat

Bacteria in Agrobiology
Bacteria in Agrobiology

... 'fhe iron pools in soils and aquatic eÍIvirooments cofltaiü iron complexes (fenic complexes with olher ligands different from siderophores), iron-bound enzymcs from det tus plant and mic¡obialce1ls, iron bound to humic and fulvic sr¡bstances, and iron-bearing nline¡als. A major iron pool io ter¡estr ...
University of Groningen Fructosyltransferases of Lactobacillus
University of Groningen Fructosyltransferases of Lactobacillus

MICROBIOLOGY BIO 204 LABORATORY MANUAL
MICROBIOLOGY BIO 204 LABORATORY MANUAL

... definition of a microscope is a device for magnifying objects that are too small to be seen with the naked eye. The development, evolution, and the inventors involved in the microscope is quite interesting. Prior to 150, the magnifying glass was the best form of magnification and was not necessarily ...
Parasitic Pathogens
Parasitic Pathogens

... – chemically and immunologically identical to the group B acidic polysaccharide of Neisseria menigitidis. – masks the underlying structures of the bacterial cell surface, preventing specific antibody responses and the activation of the alternate complement system from being activated.\ – poor immuno ...
s-hajahmadi@iaun.ac.ir
[email protected]

Electricity and magnetism quiz
Electricity and magnetism quiz

... while the north pole of one magnet repels the other magnet's north pole. So we have the common saying: like poles repel, and unlike poles attract.  A magnet creates an invisible area of magnetism all around it called a magnetic field, consisting of lines of flux.  The lines of flux are directional ...
Preparing Unknown Cultures: Morphological Characteristics
Preparing Unknown Cultures: Morphological Characteristics

... the unknown. Previously, it was very difficult to classify, and, therefore, identify, bacteria because of the diversity of bacterial characteristics and the lack of available fossil information. Today, however, several resources are available to determine the correct species. Bergey's Manual of Syst ...
Protein phosphorylation in bacterial signal transduction
Protein phosphorylation in bacterial signal transduction

interactions between malolactic starter organisms and
interactions between malolactic starter organisms and

... remains an imperfectly controlled process and at times MLF can be difficult to get started. One possible explanation for this difficulty is that the wine may be lacking essential nutrient factors for the lactic acid bacteria. Another possible argument is that inhibitory substances are accumulated in ...
A study of archaeal enzymes involved in polar lipid
A study of archaeal enzymes involved in polar lipid

The Earth`s Magnetic Field
The Earth`s Magnetic Field

a-cr-ccp-803/pf-001 18-10-1 royal canadian air cadets
a-cr-ccp-803/pf-001 18-10-1 royal canadian air cadets

Motors and Generators by Ian Wilkinson
Motors and Generators by Ian Wilkinson

... ACCURACY/RELIABILITY/VALIDITY Accuracy is largely irrelevant, as no quantitative measurements were taken The experiment was repeated several times for each supplied voltage, and similar observations were noted, thus it was reliable A zero reading was taken, thus the movement can be attributed to the ...
Pdf - Text of NPTEL IIT Video Lectures
Pdf - Text of NPTEL IIT Video Lectures

Abstracts - School of Life Sciences
Abstracts - School of Life Sciences

< 1 ... 13 14 15 16 17 18 19 20 21 ... 142 >

Magnetotactic bacteria

Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth's magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain magnetic crystals. The biological phenomenon of microorganisms tending to move in response to the environment's magnetic characteristics is known as magnetotaxis (although this term is misleading in that every other application of the term taxis involves a stimulus-response mechanism). In contrast to the magnetoception of animals, the bacteria contain fixed magnets that force the bacteria into alignment — even dead cells align, just like a compass needle. The alignment is believed to aid these organisms in reaching regions of optimal oxygen concentration.
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