Changes

Talk:Richard Lenski

3,989 bytes added, 15:59, June 28, 2008
Possible format?
I suggest that Conservapedia further investigate Lenski's background. Perhaps he is not really a professor, like Richard Dawkins.--[[User:Todt|Todt]] 11:52, 28 June 2008 (EDT)
==Formatting==
I borrowed a template from another wiki which might make the data section a bit easier to comprehend. I will include it here pending approval of senior sysops.
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<TR><TD width=50% valign=top bgcolor=#003366 align=center><font color="#f6f7ff" size="+2">Undisclosed Data</font>
</TD><TD width=50% valign=top bgcolor=#000000 align=center><font color="#f6f7ff" size="+2">Our Questions about the missing data</font></TD></TR><table>
 
===Visual inspection===
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Evolution of Cit Function in Population Ara-3. The LTEE populations are transferred daily into fresh medium, and the turbidity of each is checked visually at that time.
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DATA ON THESE OBSERVATIONS?
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===Study Omissions===
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Owing to the low concentration of glucose in DM25 medium...
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DATA ON SPECIFIC CONCENTRATIONS USED?
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===Turgidity===
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...the cultures are only slightly turbid when transferred. Occasional contaminants that grow on citrate have been seen over the 20 years of this experiment.
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DATA? WHEN AND HOW MANY?
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===Contaminants???===
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These contaminated cultures reach much higher turbidity owing to the high concentration of citrate in the medium, which allows the contaminants to reach high density. (When contamination occurs, the affected population is restarted from the latest frozen sample.)
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DATA FOR WHEN THAT OCCURRED, AND HOW OFTEN?
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===The Numbers Please?===
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After 33,127 generations, one population, designated Ara-3, displayed significantly elevated turbidity that continued to rise for several days (Fig. 1).
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HIGHER RESOLUTION DATA UNDERLYING FIGURE NOT PROVIDED DESPITE REQUEST A number [DATA? HOW MANY? STATISTICALLY SIGNIFICANT?
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===More missing Numbers===
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A number...
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DATA? HOW MANY? STATISTICALLY SIGNIFICANT?
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===We're Professional Scientists===
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of Cit clones were isolated from the population and checked for phenotypic markers characteristic of the ancestral E. coli strain used to start the LTEE: all
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DATA? HOW MANY? STATISTICALLY SIGNIFICANT?
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===Missing Characteristics===
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...were Ara, T5-sensitive, and T6-resistant, as expected (2)
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DATA ABOUT THESE AND OTHER CHARACTERISTICS?
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===DNA===
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DNA sequencing also showed...
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DATA??
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===More missing data===
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...that Cit clones have the same mutations in the pykF and nadR genes as do clones from earlier generations of the Ara-3 population, and each of these mutations distinguishes this population from all...
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DATA ABOUT THESE AND OTHER CHARACTERISTICS?
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===Fast Tracked===
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...of the others (30). Therefore, the Cit variant arose within the LTEE and is not a contaminant.
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MEANINGFUL PEER REVIEW FOR THIS CONCLUSION MAY NOT HAVE OCCURRED IN THE ASTOUNDINGLY SHORT 14-DAY PEER REVIEW PERIOD!
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