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Janibacter hoylei
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<p><i>Janibacter hoylei</i> is a species of <a href="/facts/Gram_positive/H6WYQ17e">Gram positive</a>, aerobic, <a href="/facts/Bacterium/wC8xSCsU">bacterium</a>. The species was initially isolated from cryovials that sampled high altitude air between 20 and 41 km above sea level. The species was first described in 2009, and the species is named after English astronomer <a href="/facts/Fred_Hoyle/tXjJ0Lbd">Fred Hoyle</a>. Two other new species were discovered during the same survey: <i><a href="/facts/Bacillus_isronensis/ID8G65T9">Bacillus isronensis</a></i> and <i>Bacillus aryabhattai</i>. </p><p>The optimum growth temperature for <i>J. hoylei</i> is 25-30 °C, and can grow in the 20-40 °C range. The optimum pH is 9.0, and can grow at 5.0-10.0. The species is more resistant to UV radiation than other members of <i>Janibacter</i>. </p>