LymeNet Flash: Just What We Need- ANOTHER Borrelia Species

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»	LymeNet Flash » Questions and Discussion » Medical Questions » Just What We Need- ANOTHER Borrelia Species

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Topic: Just What We Need- ANOTHER Borrelia Species

Tincup
Honored Contributor (10K+ posts)
Member # 5829

posted

Happy Halloween!

They just discovered another Borrelia Genospecies to scare you. Borrelia chilensis.

Environ Microbiol. 2013 Oct 22. doi: 10.1111/1462-2920.12310. [Epub ahead of print]

Borrelia chilensis, a new member of the Borrelia burgdorferi sensu lato complex that extends the range of this genospecies in the Southern Hemisphere.

Ivanova LB, Tomova A, González-Acuña D, Murúa R, Moreno CX, Hernández C, Cabello J, Cabello C, Daniels TJ, Godfrey HP,Cabello FC.

Source

Department of Microbiology and Immunology, New York Medical College, Valhalla, New York, USA.

Abstract

Borrelia burgdorferi sensu lato (s.l.), transmitted by Ixodes spp. ticks, is the causative agent of Lyme disease.

Although Ixodes spp. ticks are distributed in both Northern and Southern Hemispheres, evidence for the presence of B. burgdorferi s.l. in South America apart from Uruguay is lacking.

We now report the presence of culturable spirochetes with flat-wave morphology and borrelial DNA in endemic Ixodes stilesi ticks collected in Chile from environmental vegetation and long-tailed rice rats (Oligoryzomys longicaudatus).

Cultured spirochetes and borrelial DNA in ticks were characterized by multilocus sequence typing and by sequencing five other loci (16S and 23S ribosomal genes, 5S-23S intergenic spacer, flaB, ospC).

Phylogenetic analysis placed this spirochete as a new genospecies within the Lyme borreliosis group. Its plasmid profile determined by PCR and pulsed-field gel electrophoresis differed from that of B. burgdorferi B31A3.

We propose naming this new South American member of the Lymeborreliosis group Borrelia chilensis VA1, in honor of its country of origin.

http://www.ncbi.nlm.nih.gov/pubmed/24148079

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Posts: 20353 | From The Moon | Registered: Jun 2004 | IP: Logged |

'Kete-tracker
Frequent Contributor (1K+ posts)
Member # 17189

posted

When *I* first read about Willy Burgdorfer's "discovery" in 1983 (I was just out of college), I felt the newly discovered species would turn out to be the "tip if the iceberg" of a whole large Family of over-looked critters- many of which can apparently morph their shape- that might prove to be a real threat to our health, & indeed the health if all animals.

The B.B. species/ strain list is sure to grow. Stay tuned!

Posts: 1233 | From Dover, NH | Registered: Sep 2008 | IP: Logged |

Beverly
Frequent Contributor (5K+ posts)
Member # 1271

posted

Happy Halloween! [Big Grin]

Wow one more strain of Lyme just what we need. [Frown]

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God Bless You! Everything..is just my opinion.

Posts: 6638 | From Michigan | Registered: Jun 2001 | IP: Logged |

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