Can you envisage a Winogradsky column consisting of only Gram-negative bacteria (or just Gram-positives, for that matter)?
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Talmudic Question #173
Talmudic Question #172
Can you think of a vertebrate other than ruminants that CANNOT be reared under germ-free conditions?
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Talmudic Question #171
by Ellie Arrington
Why are Gammaproteobacteria the weeds of microbial communities?
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Talmudic Question #170
Why is RNA replication limited to the viruses and viroids?
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Talmudic Question #169
Lactose is rarely found in Nature except for mammalian milk. How come?
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Talmudic Question #168
Are there classes of genes that cannot be productively transmitted by phages (that is, cannot be transduced)?
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Talmudic Question #167
What is a microbe? (Defend your definition.)
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Talmudic Question #166
Why haven’t eukaryotes developed a CRISPR system? (the immune system doesn’t count)
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Talmudic Question #165
Describe the properties of a yet-to-arise new DOMAIN of life.
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Talmudic Question #164
On Earth, L-amino acids in proteins go with D-ribo- or D-deoxyribo-nucleotides. At which point in time during the evolution of living systems was the decision made to make use of only one of the enantiomer pairs?
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Moselio (Elio) Schaechter & Roberto Kolter
The purpose of this blog is to share our appreciation for the width and depth of the microbial activities on this planet. We will emphasize the unusual and the unexpected phenomena for which we have a special fascination... (more)
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Daniel, Christoph, & Janie
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Merry Youle
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S. Marvin Friedman
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Ray Ortega
