Technology: Cockroach DNA Shows Why They're Basically Indestructible - - PressFrom - US
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Technology Cockroach DNA Shows Why They're Basically Indestructible

00:27  24 march  2018
00:27  24 march  2018 Source:   mentalfloss.com

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They found that the cockroach (native to Africa, despite its American moniker) has more DNA than any other insect whose DNA has been sequenced except the They also have killer immune systems able to withstand pathogens they might pick up from the rotting food they eat and the filth they like to live in.

Cockroach dnа shows why thеy’rе bаsicаlly indеstructiblе. Why is this crеаturе аblе to thrivе in thе fаcе of pеsticidеs, thе loss of limbs, disgusting conditions, а rаngе of climаtеs, аnd еvеn nuclеаr fаllout, in urbаn kitchеns аcross thе world?

a insect on the ground: Cockroach DNA Shows Why They're Basically Indestructible © iStock Cockroach DNA Shows Why They're Basically Indestructible

Most people are all too aware that cockroaches are horrifyingly resilient beings. Yes, they can and have survived nuclear blasts, and surely stand to inherit the Earth after we all succumb to the apocalypse. Why is this creature able to thrive in the face of pesticides, the loss of limbs, disgusting conditions, a range of climates, and even nuclear fallout, in urban kitchens across the world? As Inside Science reports, a new study on the genome of the American cockroach shows that certain genes are key to its wild evolutionary success.

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Cockroach dnа shows why they ’ re bаsicаlly indestructible . Most people аre аll too аwаre thаt cockroаches аre horrifyingly resilient beings. They hаve а huge number of gene fаmilies (severаl times the number other insects hаve) relаted to sensory reception, with 154 smell receptors аnd 522

Cockroach DNA Shows Why They ' re Basically Indestructible - mentalfloss.com. As Inside Science reports, a new study on the genome of the American cockroach shows that certain genes are key to its wild evolutionary success. In an article published in Nature Communications, researchers from

In an article published in Nature Communications, researchers from South China Normal University in Guangzhou, China report that they sequenced and analyzed the genome of Periplaneta americana, and in the process they discovered just how indestructible this scourge is. They found that the cockroach (native to Africa, despite its American moniker) has more DNA than any other insect whose DNA has been sequenced except the migratory locust. The size of its genome—3.3 billion base pairs—is comparable to that of humans.

They have a huge number of gene families (several times the number other insects have) related to sensory reception, including 154 smell receptors and 522 taste receptors, including 329 taste receptors specifically related to bitter tastes. These extra smell and taste receptors may help cockroaches avoid toxic food (say, your household pesticide) and give them the ability to adapt to a multitude of different diets in different environments.

They also have killer immune systems able to withstand pathogens they might pick up from the rotting food they eat and the filth they like to live in. They have many more genes related to immunity compared to other insects.

The genome analysis might give us more than just a newfound respect for this revolting pest. The researchers hope to find a way to harness this new knowledge of cockroach immunity to control vermin populations—and create an eradication method slightly more effective than just stomping on them.

[h/t Inside Science]

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