Moselio Schaechter


  • The purpose of this blog is to share my appreciation for the width and depth of the microbial activities on this planet. I will emphasize the unusual and the unexpected phenomena for which I have a special fascination... (more)

    For the memoirs of my first 21 years of life, click here.

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April 10, 2014

Talmudic Question #107

Suppose you are once again strolling on that deserted beach and again, on cue, the genie reappears. This time he is offering you some mice from a lineage that he has bred for hundreds or more generations under germ-free conditions.  Would you expect to find any genetic changes in these mice? If so, what might they be?

March 06, 2014

Talmudic Question #106

What may be the reason why E. coli is usually the most abundant facultative anaerobe in mammalian feces?

January 30, 2014

Talmudic Question #105

Do you know of any eukaryotic virus that has a tail, and, if not, why do you suppose there aren’t any?

December 19, 2013

Talmudic Question #104

Can you conceive of an entity that can replicate as a cell under some circumstances or as a virus under others?

November 28, 2013

Talmudic Question #103

Why do you suppose there are few, if any, mycorrhizae in aquatic environments?

October 31, 2013

Talmudic Question #102

Suppose you're a sessile marine creature looking to put down "roots" some place. Would you choose to attach to a living organism or to something dead or inanimate?

October 17, 2013

Talmudic Question #101

How many cells does it take to make a biofilm?

September 19, 2013

Talmudic Question #100

Past the origin of the first cell, what do you consider to have been the single most important event in evolution?

May 30, 2013

Talmudic Question #99

This is our first illustrated Talmudic Question and our last Talmudic Question (at least for a while).  We think it may be time to move to new pastures. We hope that our new section, Pictures Considered, will partly fill this space.

TQ-99---pastedGraphic

May 09, 2013

Talmudic Question #98

What do you think is the single best criterion for telling an endosymbiont of a eukaryotic cell from an organelle?

Post Script

I must come clean and confess that I formulated this question after having read a most stimulating review by John McCutcheon and Nancy Moran that touches on this subject. Some of the responses you provided are related to considerations in this article. Read and enjoy!

-Elio

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  • We welcome readers to answer queries and comment on our musings. To leave a comment or view others, remarks, click the "Comments" link in red following each blog post. We also occasionally publish guest blog posts from microbiologists, students, and others with a relevant story to share. If you are interested in authoring an article, please email us at elios179 at gmail dot com.

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