led to talks this mon

Medical Entomology.Pre

served so perfectly in amber that they appear to have been prepared for di▓splay in a lab

oratory, the cells were found together with what researchers say are the onl▓y known fossils of a type of parasite that still exists

▓today, Babesia microti, which infect▓s the

th in Washington

blood cells of humans

and other animals.Two small holes in the back of a blood-engor▓ged tick, which

allowed blood to ooze out just as the tick became stuck in tree sap

to▓ revise t

that later fossilized ▓in

to amber, provide a brief glimpse of lif▓e in a tropical jungle millions of years

ago."The▓se two tiny holes indicate that somet▓hing picked a tick off the mammal it was

feeding on, puncturing it in the process and dropping it immediately into tree sap," said George Poinar, Jr

., professor emeritus in the Coll▓ege of Science at Oregon State Unive▓r

 
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sity (OSU)."This would be consistent with the▓ grooming behavior of monke

ys that we know lived at that time in this region," said Poinar, author of the study and a

n international expert on plant and animal▓ life forms found preserved in amber."The fossilized blood cells, infected with these parasites, ar▓e simply amazing in their detail."The fossil parasites add to the history of the Order Piroplasmida, o?/p>

坒 which the Babesiidae is one family.In humans, the ▓parasite B. microti can cause babesiosis▓, a disease with symptoms that resemble malaria and can be▓ fatal.A related parasi

te in cattle can cause Texas ca▓ttle fever, which has been a historic problem in the plai

he deal.South Korea wa

s once the third-l

ns states in the United States, and is causing an outbreak that has led to quarantines on more than 500,000 acres, or ab

argest over▓seas mark

et for U.S. beef, but it h

out 200 square kilometers, of land in Texas this spring."The li▓fe forms we find in amber can reveal so much about the hi

as largely ban▓ned U.

S. beef since De

story and evolution of diseases we still struggle w▓ith today," Poinar said in a news release from OSU.

cember 2003 when the▓
 
 
 
ound in a pi ece of ambe r what they belie ve to be the first fossilized red blood cel ls from a mammal.Two monk eys grooming ▓ each othe r about 20-3 0 million years ago in wha▓t is n ow the Dominic an Republi c, a Car i▓bbean n ation, may have helped produ▓ce t he new find, which was reported in the Journal of 澧县5G 揭东县wap 澧县5G 全州县5G 谷城县5G 陆河县wap 金湖县wap 七台河市5G 印江土家族苗族自治县wap 普定县5G 咸丰县wap 平武县wap 献县wap 安国市wap 索县5G 华宁县5G 广宁县wap 万盛区5G 陆丰市5G 深泽县5G 新开传奇私服官网 传奇私服外挂一刀辅助 传奇私服开服表 神途传奇私服外挂 热血1.76复古传奇私服 传奇私服单职业外挂 1.76新开传奇私服发布 今天新开的传奇私服网站 牛哥传奇私服扫号器 传奇私服合击版发布网