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Topic: Tsetse fly


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In the News (Sat 30 Aug 08)

  
  Tsetse - Search Results - MSN Encarta
Tsetse, also tsetse fly, common name for any of several African bloodsucking insects (Fly).
Tsetses are found abundantly in forests and along the...
This National Geographic article discusses the African tsetse fly, carrier of parasites that cause sleeping sickness in mammals, and several...
ca.encarta.msn.com /Tsetse.html   (74 words)

  
  Tsetse fly - Wikipedia, the free encyclopedia
Tsetse also have a long proboscis which extends directly forward and is attached by a distinct bulb to the bottom of their head.
Tsetse have been extensively studied because of their medical, veterinary, and economic importance, because the flies can be raised in a laboratory, and because the flies are relatively large, facilitating their analysis.
Tsetse are biological vectors of trypanosomes meaning that tsetse, in the process of feeding, acquire and then transmit small, single-celled organisms called trypanosomes from infected vertebrate hosts to uninfected animals.
en.wikipedia.org /wiki/Tsetse_fly   (3883 words)

  
 TSETSE
Tsetse flies belong to the sub-order Cyclorrhapha, and form, along with the families Hippoboscidae, Streblidae and Nycteribiidae, the superfamily Hippoboscoidea.
Tsetse flies are extremely important vectors of African trypanosomiasis, causing nagana in livestock, a fatal disease of horses and cattle, and sleeping sickness in humans.
Tsetse flies are yellowish to brown, the abdomen may be uniformly coloured or transversed by stripes according to species.
www.roberth.u-net.com /tsetse.htm   (1716 words)

  
 Fly - LoveToKnow 1911
fleugan, to fly), a designation applied to the winged or perfect state of many insects belonging to various orders, as in butterfly (see Lepidoptera), dragon-fly, may-fly, caddis-fly, andc.; also specially employed by entomologists to mean any species of the two-winged flies, or Diptera.
In ordinary parlance fly is often used in the sense of the common house-fly (Musca domestica); and by English colonists and sportsmen in South Africa in that of a species of tsetse-fly (Glossin g), or a tract of country ("belt") in which these insects abound (see Tsetse-Fly).
Mr L. Howard (Circular 77 of the Bureau of Entomology U.S. Dept. of Agriculture, Washington, 1906) says that in 1900 he made a collection of the flies in dining-rooms in different parts of the United States, and out of a total of 23,087 flies, 22,808 were the common house-fly.
www.1911encyclopedia.org /Fly   (290 words)

  
 tsetse fly - Encyclopedia.com
The larva of the tsetse fly develops inside the body of the mother until it is ready to pupate in the soil.
Tsetse flies are classified in the phylum Arthropoda, class Insecta, order Diptera, family Muscidae.
Uganda to import sterilized tsetse flies to eradicate menace.
www.encyclopedia.com /doc/1E1-tsetsefl.html   (522 words)

  
 Scary Animals - Tsetse Fly
Tsetse include all the species in the genus Glossina, which are generally placed in their own family Glossinidae and which belong to the order Diptera.
Tsetse are biological vectors of trypanosomes meaning that tsetse, in the process of feeding, acquire and then transmit small, single-celled organisms called trypanosomes from infected vertebrate hosts to uninfected animals.
Tsetse seem to be unaffected by the infection of trypanosomes but it is entirely possible that the parasites alter tsetse behavior or have other effects which improve the chances of transmission and survival.
www.sheppardsoftware.com /animalpages/animal-dangerous-15.htm   (800 words)

  
 Sleeping sickness - Wikipedia, the free encyclopedia
Caused by protozoa of genus Trypanosoma and transmitted by the tsetse fly, the disease is endemic in certain regions of Sub-Saharan Africa, covering about 36 countries and 60 million people.
Instances of sleeping sickness are being reduced by the use of the Sterile Atomic Fly.
Regular active surveillance, involving case detection and treatment, in addition to tsetse fly control, is the backbone of the strategy for control of sleeping sickness.
en.wikipedia.org /wiki/Sleeping_sickness   (1909 words)

  
 trp
In 1903, David Bruce identified that the tsetse fly was the primary vector of this disease.
Certain insecticides used to control the tsetse fly population sometimes are rendered useless, due to the tsetse fly becoming resistant.
Also, the fly is attracted to the dust that is caused by a moving vehicle, or a moving herd, so those who are visiting or working in a game park need to observe from a vehicle that offers protection in the form of windows.
www.austincc.edu /microbio/2704j/trp.htm   (1178 words)

  
 Genome Biology | Full text | Adult midgut expressed sequence tags from the tsetse fly Glossina morsitans morsitansand ...
Tsetse flies are obligate blood feeders and ingest trypanosomes along with the blood meal from infected animals.
In the fly, the trypanosomes undergo complex cycles of growth and development all of which occur within the lumen of the alimentary canal of the fly and, in the case of the brucei group trypanosomes, the salivary glands [1].
Tsetse flies are normally refractory to trypanosome infection with typically less than half the fly population becoming infected, even under ideal conditions in the laboratory.
genomebiology.com /2003/4/10/R63   (5581 words)

  
 Trypano
The tsetse fly inhabits over a third of the continent, where it exposes some 30% of Africa's 150 million cattle to the risk of infection with trypanosomes, which give rise to the debilitating and frequently fatal disease trypanosomiasis.
In the midgut of the tsetse fly, procyclic forms (d) arise and undergo division, after which the parasites enter the proventriculus and later the salivary glands of the fly, where they assume epimastigote forms (e) and undergo further division.
This surface coat of the parasites disappears in the procyclic forms that arise in the midgut of the tsetse fly and is later reformed in the metacyclic forms in the tsetse salivary glands.
www.ilri.org /InfoServ/Webpub/Fulldocs/Ilrad90/Trypano.htm   (7459 words)

  
 CNN - Battling the deadly bite of the tsetse fly - Feb. 28, 1998
CNN - Battling the deadly bite of the tsetse fly - Feb. 28, 1998
Battling the deadly bite of the tsetse fly
The tsetse fly feeds on the blood of animals and humans.
www.cnn.com /HEALTH/9802/28/sudan.sleeping.sickness   (678 words)

  
 Tsetse fly eradicated on the Island of Zanzibar
Tsetse fly eradicated on the Island of Zanzibar
For the Zanzibar campaign, tsetse mass-breeding technology and procedures developed at the FAO/IAEA Agriculture and Biotechnology Laboratory in Seibersdorf, Austria, were transferred to the Tsetse and Trypanosomiasis Research Institute (TTRI) in Tanga, Tanzania.
In addition to monitoring the presence of the fly, which is small and difficult to find, routine blood samples are being taken from cattle in once-infested areas to be tested for trypanosomiasis.
www.fao.org /News/1998/980505-e.htm   (521 words)

  
 Deciphering tsetse's secret partner - Nature Genetics
Because the tsetse fly relies on this bacterium for fertility and nutrition, this information may be useful in reducing fly populations and halting the spread of the deadly African sleeping disease.
This may be relevant to part of the transmission cycle of the bacterium to new tsetse hosts, such as movement from adult tsetse flies to larvae.
In the absence of the bacteria (and vitamins), the tsetse fly is sterile.
www.nature.com /cgi-taf/DynaPage.taf?file=/ng/journal/v32/n3/full/ng1102-335.html   (963 words)

  
 Campaign Launched to Eliminate Tsetse Fly
The fly is the carrier of the single cell parasite, trypanosome, which attacks the blood and nervous system of its victims, causing sleeping sickness in humans and nagana in livestock.
The flies are bred in special centers and male flies, after their birth, are exposed to a short burst of gamma radiation from a cobalt-60 source.
The impact of the tsetse on livestock, a disadvantage unique to African farmers, is worsening as the fly's range expands and the resistance of the parasite it carries strengthens.
www.iaea.org /NewsCenter/PressReleases/2002/prn0202.shtml   (2744 words)

  
 UN To Use Nuclear Technology In Was Against African Tsetse Fly
The Vienna-based International Atomic Energy Agency (IAEA) said in a statement the tsetse fly, which carries the parasite that causes sleeping sickness in humans and nagana in animals, was killing three million livestock animals every year.
"The impact of the fly is difficult to exaggerate," said John Kabayo, regional coordinator for the Pan African Tsetse and Trypanosomosis Eradication Campaign (PATTEC), inaugurated by the Organization of African Unity.
Tsetse flies are bred in special centers and the males are exposed to a short burst of radiation, rendering them sterile.
www.rense.com /general20/afri.htm   (516 words)

  
 Tsetse: pictures, information, classification and more
Tsetses are found abundantly in forests and along the edges of lakes and rivers in central Africa.
The parasites are drawn into the body of the fly with the blood sucked from an infected person and, after a period of development, can be conveyed to the bloodstream of healthy victims.
The South African tsetse fly is classified as Glossina palpalis, and the tsetse fly that transmits Rhodesian sleeping sickness and nagana as Glossina morsitans.
www.everythingabout.net /articles/biology/animals/arthropods/insects/flies/tsetse_fly/index.shtml   (273 words)

  
 African Trypanosomiasis   (Site not responding. Last check: 2007-10-22)
The tsetse flies that spread West African trypanosomiasis can be found in Western and Central African forests and in areas of thick shrubbery and trees by rivers and waterholes.
Tsetse flies are attracted to dust churned up by moving vehicles and animals.
Tsetse flies are less active during the hottest part of the day; they rest in bushes and will bite if disturbed.
www.astdhpphe.org /infect/trypano.html   (828 words)

  
 AFRICAN ANIMAL TRYPANOSOMIASIS   (Site not responding. Last check: 2007-10-22)
This trypanosome readily persists in areas free of tsetse flies (for example, in Central and South America and in the Caribbean), where it is transmitted mechanically by biting flies or contaminated needles, syringes, and surgical instruments.
These trypanosomes replicate in the tsetse fly and are transmitted through tsetse fly saliva when the fly feeds on an animal.
The three main species of tsetse flies for transmission of trypanosomes are Glossina morsitans, which favors the open woodland of the savanna; G.
www.vet.uga.edu /vpp/gray_book/FAD/AAT.htm   (3340 words)

  
 World Nuclear Association | WNA Reports | Attracting Young Scientists and Engineers
The tsetse fly is an African carrier of a parasite, trypanosome, which attacks the blood and nervous system of its victims, causing sleeping sickness in humans and nagana in cattle.
The tsetse fly is a major factor behind the poverty of the countries where it is prominent.
The flies are bred in special centres and male flies, after their birth, are exposed to a short burst of gamma radiation from a cobalt-60 source.
www.world-nuclear.org /wgs/nuclear_science/case_studies/tsetse.htm   (381 words)

  
 ARS | Publication request: Sex Separation of Tsetse Fly Pupae Using Near-Infrared Spectroscopy   (Site not responding. Last check: 2007-10-22)
We report that tsetse fly pupae up to 5 days before emergence can be sexed with accuracies that generally range from 80 to 100%.
Technical Abstract: Tsetse flies are important vectors of African trypanosomes, which cause sleeping sickness in humans and nagana, a fatal disease, in livestock.
Tsetse fly pupae up to 5 days before emergence can be sexed with accuracies that generally range from 80 to 100%.
www.ars.usda.gov /research/publications/publications.htm?seq_no_115=165044   (425 words)

  
 The UN Works with Business (4)   (Site not responding. Last check: 2007-10-22)
The tsetse fly looks very similar to its harmless relative, the housefly, but it is bloodsucking and deadly.
The tsetse fly is also the reason horses have not been able to survive in many parts of Africa.
Not only does the tsetse fly reduce the supply of milk and beef, it also hampers crop production as cattle are traditionally used to till the soil.
www.un.org /works/business/business4.html   (600 words)

  
 Trypanosomiasis
The tsetse fly feeds on the blood of animals and humans.
During the same period, the parasite and its tsetse fly vector were discovered and initial treatment methods were found.
In the same year, the tsetse fly was recognized by David Bruce as being the vector of the parasite.
www-micro.msb.le.ac.uk /224/Trypano.html   (1398 words)

  
 An atomic-powered plan to end sleeping sickness
Bitten by a tsetse fly while looking after his family's cattle in the bush about a month before, Joseph was now close to death - the victim of an epidemic that will claim 300,000 people in Africa this year.
He is helping develop a plan to spray the bush in 40 countries with tens of billions of specially reared male tsetse flies made sterile by a quick blast of radiation.
Female tsetse flies appear to mate only once, so mating with a sterilized fly will effectively prevent her from having offspring.
chora.virtualave.net /sleeping-sickness.htm   (1291 words)

  
 African Sleeping Sickness - Boston College   (Site not responding. Last check: 2007-10-22)
Both diseases are transmitted by tsetse flies (one third of the population of Africa lives in tsetse fly-infested areas).
Once a fly is infected, it remains able to transmit trypanosomiasis to humans throughout its one- to six-month life span.
Transegenic techniques, such as introducing into tsetse flies (or symbiotic microorganisms living in the flies) foreign genes that will restrict the tsetse flies ability to survive, reproduce, or transmit pathogens, hold great promise.
www.bc.edu /schools/cas/biology/research/insect/tsetse   (1688 words)

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