Photobacterium phosphoreum: Difference between revisions

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==Description and significance==
==Description and significance==
Photobacterium phosphoreum is a luminescent bacterium. Its physical characteristics are gram-negative, rod-like shape, plump and large (0.8-1.3 um in diameter and 1.8-2.4 um in length). It can be motile or non-motile. Those that are motile have 1-3 unsheathed polar flagella. Its optimum temperature is 18-25˚C. It emits a blue-green light.
Photobacterium phosphoreum is a luminescent bacterium. Its physical characteristics are gram-negative, rod-like shape, plump and large (0.8-1.3 um in diameter and 1.8-2.4 um in length). It can be motile or non-motile. Those that are motile have 1-3 unsheathed polar flagella. Its optimum temperature is 18-25˚C. It emits a blue-green light.
Its major significance is its symbiotic relationship with some marine animals like fishes and squids. They have specialized organs that provide P. phosphoreum with a safe place to reside and food; while these animals use the light that the bacteria provide for camouflage and even for attracting mates.     
Its major significance is its symbiotic relationship with some marine animals like fishes and squids. They have specialized organs that provide P. phosphoreum with a safe place to reside and food; while these animals use the light that the bacteria provide for camouflage and even for attracting mates.     



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Photobacterium phosphoreum
Photobacterium phosphoreum.jpg
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gammaproteobacteria
Order: Vibrionales
Family: Vibrionaceae
Genus: Photobacterium
Species: P. phosphoreum
Binomial name
Photobacterium phosphoreum


Description and significance

Photobacterium phosphoreum is a luminescent bacterium. Its physical characteristics are gram-negative, rod-like shape, plump and large (0.8-1.3 um in diameter and 1.8-2.4 um in length). It can be motile or non-motile. Those that are motile have 1-3 unsheathed polar flagella. Its optimum temperature is 18-25˚C. It emits a blue-green light.

Its major significance is its symbiotic relationship with some marine animals like fishes and squids. They have specialized organs that provide P. phosphoreum with a safe place to reside and food; while these animals use the light that the bacteria provide for camouflage and even for attracting mates.

Genome structure

Cell structure and metabolism

Ecology

Application to Biotechnology

Current Research

References

http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?id=659

http://www.microbiologyatlas.kvl.dk/biologi/english/showmorf.asp?articleid=44

http://www.disknet.com/indiana_biolab/b203.htm

http://www.biology.pl/bakterie_sw/index_en.html

http://cibt.bio.cornell.edu/programs/archive/0608alum/lumos.pdf

http://web.mst.edu/~microbio/BIO221_2005/P_phosphoreum.htm