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Volume 13, Number 3—March 2007

Research

Diversity and Distribution of Borrelia hermsii

Tom G. Schwan*, Sandra J. Raffel*, Merry E. Schrumpf*, and Stephen F. Porcella*
Author affiliations: *National Institute of Allergy and Infectious Diseases, Hamilton, Montana, USA;

Main Article

Table 1

Borrelia hermsii isolates examined, history, origin, and IGS sequence types, western North America*

Isolate*YearSourceLocalityIGS type†
GGI
HS11968TickSpokane Co., WA1
CON1960sHumanSierra Nevada Mtns, CA1
FRO1987HumanEastern WA1
DAH1991HumanSpokane Co., WA1
FRE1996HumanPend Oreille Co., WA1
MIL1996HumanKootenai Co., ID1
BRO1996HumanKootenai Co., ID1
CAR1996HumanBenewah Co.,ID1
BAK1997HumanOkanogan Co., WA1
BYM1997HumanKootenai Co., ID1
RAL1997HumanSiskiyou Co., CA1
SIS1998TicksSiskiyou Co., CA1
HAL1998HumanKootenai Co., ID1
GAR2001HumanOkanagan Valley, BC1
LAK-42004HumanLake Co., MT1
MAT2004HumanBitterroot–Selway Mtns, ID1
DOU2005Ticks‡Douglas Co., WA1
EST-71996ChipmunkLarimer Co., CO2
ALL1997HumanDuchesne Co., UT2
WAD1998HumanPlacer Co., CA2
SWA1996HumanKootenai Co., ID5
ELD2005Ticks‡Eldorado Co., CA6
MAN1960sHumanSierra Nevada Mtns, CA7
GGII
YOR1964HumanSiskiyou Co., CA8
REN1992HumanOkanogan Co., WA8
OKA-11995HumanOkanagan Valley, BC8
OKA-21996HumanOkanagan Valley, BC8
OKA-31996HumanOkanagan Valley, BC8
GMC1997HumanStevens Co., WA8
CMC1997HumanStevens Co., WA8
LAK-32004HumanLake Co., MT8
LAK-52004HumanLake Co., MT8
LAK-12002HumanLake Co., MT9
LAK-22002HumanLake Co., MT9
SIL2002HumanBoundary Co., ID9
HAN1990HumanBoundary Co., ID9
RUM1997HumanStevens Co., WA10

*GGI, genomic group I; GGII, genomic group II; WA, Washington; Mtns, mountains; Co., county; ID, Idaho; CA, California, BC, British Columbia; MT, Montana; CO, Colorado; UT, Utah.
†Each IGS sequence type is unique from the others and represented by the following isolate and GenBank accession nos.: type 1, DAH, DQ845746; type 2, ALL, DQ845747; type 5, SWA, DQ845746; type 6, ELD, DQ845745; type 7, MAN, DQ845748; type 8, YOR, DQ845744; type 9, LAK-1, DQ845742; type 10, RUM, DQ845743. Types 1 and 2 are identical to types of the same number in Bunikis et al. (AY515265 and AY515266, respectively) (6). No sequences matched types 3 and 4 identified by Bunikis and co-workers and are excluded here to avoid confusion. Types 5–10 are newly identified here.
‡DOU detected by PCR in a pool of 3 dead Ornithodoros hermsi. ELD based on spirochetes transmitted by O. hermsi to a laboratory mouse, followed by PCR of infected blood.

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