Mitochondria evolved from an ancestral alpha proteobacterium. However, present day mitochondrial DNAs (mtDNA) from plants and animals are very different. ... What different selective pressures might have led to these two vastly different evolutionary outcomes?
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Talmudic Question #204
Talmudic Question #203
What sensory information allows you to recognize/identify microbial activities in their natural settings?
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Talmudic Question #202
Why do bacteria – think Agrobacterium, Streptomyces, Borrelia among others – not care at all if they have linear and circular chromosomes and episomes (plasmids, prophages) side-by-side in one cell?
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Talmudic Question #200 ─ Our Twitter Poll
by Christoph
To celebrate our two hundredth Talmudic Question "What is the leading cause of bacterial or archaeal death?" we made a poll on Twitter. Thanks to our followers we received more than 100 votes, wow! We suggested the following as possible...
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Talmudic Question #201
Given that today is the day that the US celebrates Thanksgiving... What is Pseudomonas syringae pv phaseolicola – inhabitants of the green beans used for the traditional casserole – most thankful for?
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Talmudic Question #200
what is the leading cause of bacterial or archaeal death?
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Talmudic Question #199
Biosynthetic genes for many antibiotics evolved hundreds of millions of years ago. Resistance genes evolved concurrently among neighboring bacteria. If most neighbors to antibiotic producers are resistant, what is...
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Talmudic Question #198
Biologists are often criticized because they do not have a watertight definition of ‘life.’ Is that really so bad? Does that make biology a ‘lesser’ science?
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Talmudic Question #197
Why aren’t any Archaea known to make spores?
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Talmudic Question #196
The establishment of an oxygen-respiring bacterium in the cytoplasm of an archeon might have given rise to the eukaryotes. What was the first adaptive trait...
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