On Thursday, April 14, 2016 at 2:13:05 PM UTC-7, Regina Wu wrote:
-- I saw a workshop that used Janthinobacterium lividum which produces the same purple pigment but is BSL1. I'm interested in finding these kits. Do you remember what company it was?
I put together a page with culture collection resources a while back:
http://biocuriousmembers.pbworks.com/w/page/61714006/Culture%20collections
Both eNasco and Flinn Scientific used to sell C. violaceum as part of their pigmented bacteria sets. Today, eNasco apparently no longer sells a set of pigmented bacteria (although they do still sell all the individual species, minus C. violaceum). And Flinn Scientific apparently swapped out the C. violaceum in their set for Micrococcus roseus (pink). I guess someone caught on that selling a BSL-2 strain that is known to have killed people to highschoolers is not a great idea.
As far as I know, none of the educational suppliers currently sell C. violaceum, which is as it should be...
We could definitely use another easily accessible, easy to grow Risk Group 1 blue or purple bacteria though! Janthinobacterium lividum coudl be an option, but someone may need to shell out the money to get it from ATCC first. C-MOULD has Arthrobacter polychromogenes, which makes a nice greyish blue, and Vogesella indigofera which produces indigo - gotta get our hands on some of those...
Patrik
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