Dictionary » A » Ara



1. (Science: prefix) Prefix for arabinose or arabinosyl.

2. (Science: ornithology) a name of the great blue and yellow macaw (ara ararauna), native of south America.

3. (Science: astronomy) The Altar; a southern constellation, south of the tail of the scorpion.

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Re: E.coli Genotype

I believe that the ∆(ara, leu) simply means that your strain of bacteria cannot catabolize arabinose or leucine. http://en.wikipedia.org/wiki/Bacterial_genetic_nomenclature

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by kdean
Tue Nov 06, 2012 4:18 pm
Forum: Molecular Biology
Topic: E.coli Genotype
Replies: 4
Views: 3344

E.coli Genotype

... generate a minimal media for the E.coli strain with the following genotype F'[lacIq Tn10(tetR)] mcrA Δ(mrr-hsdRMS-mcrBC) φ80lacZΔM15 ΔlacX74 recA1 araD139 Δ(ara-leu) 7697 galU galK rpsL(StrR) endA1 nupG with the addition of Leucine I have managed to grow them, but the yield is anything but great. ...

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by Kiki11
Thu Dec 15, 2011 10:25 am
Forum: Molecular Biology
Topic: E.coli Genotype
Replies: 4
Views: 3344

Re: Experimental evidence for evolution

... experiments show the same tendency for Cit+ variants to evolve more often from clones sampled in later than earlier generations of population Ara-3 “ I did unintentionally overstate the replay experiments results as described above when I stated that the replays “resulted in identical citrate-feeding ...

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by jevg
Fri Sep 10, 2010 9:18 pm
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 177631

Re: Blood type changing spontaneously with a transplant?

... a very healthy person may be golfing one day and the next day get labs telling them they have leukemia. Mine is like that. I've had 2 rounds of Ara-C, the first round also included idarubicin. These were to suppress the bone marrow and kill the leukemia. Both bone marrow biopsies were negative ...

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by TLS
Mon Jul 26, 2010 2:24 pm
Forum: Human Biology
Topic: Blood type changing spontaneously with a transplant?
Replies: 18
Views: 29292


... using PKD4) to 16 competent cell. I did this at least 5 times. None of them seems work. :( I did every thing I can do, such as using different L-ara concentration to induce RED recombination enzymes, using different PCR product concentration to transform competent cell, using different drug (kanamycin ...

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by MXH
Thu Apr 08, 2010 11:13 am
Forum: Microbiology
Topic: Fake positive colony in lamda RED reconbination, why?
Replies: 14
Views: 7359
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