IUBio Biosequences .. Software .. Molbio soft .. Network News .. FTP

Southern blot with mtDNA?

Maria C.Costanzo mcc at proteome.com
Thu Apr 6 07:33:39 EST 2000

Dear Jukka,

	Southerns on total yeast miniprep DNA work very well with
mitochondrial probes because the mito genes are in high copy relative to
nuclear genes. Often you can see the mitochondrial bands on the ethidium
bromide-stained gel. I haven't worked in the lab for a few years so I can't
give you experimental details, but I used to do this all the time using the
standard Southern procedure and it worked very well; there's definitely no
need to purify mtDNA.


>I'm preparing a Southern blot to see if there are any deletions in the
>yeast mtDNA and wondering what would be a good probe for this experiment. I
>quess nuclearDNA contamination is a big problem in mtDNA Southerns if you
>don't first extract the mtDNA with CeCl gradient to really purify it from
>total DNA? I just thought to make minilysates (as described in Yeast, a
>practical approach, Ed. Campbell and Duffus) and do the Southerns with
>these. Suggestions would be highly appreciated!

Maria C. Costanzo, Ph.D.			Email mcc at proteome.com
Editor, Fungal Knowledge Systems 		Tel (607) 272-0687
PROTEOME INC.					Fax (607) 272-1979
100 Cummings Center, Suite 435M			Mailing address:
Beverly, MA 01915 				15 Renwick Hgts. Rd.
WWW http://www.proteome.com/			Ithaca, NY 14850


YEAST bionet newsgroup see: http://www.bio.net/hypermail/YEAST/
YEAST e-mail: messages sent to yeast at net.bio.net
subscribe: e-mail biosci-server at net.bio.net with: subscribe yeast
unsubscribe: e-mail biosci-server at net.bio.net with: unsubscribe yeast
YEAST on the WWW: http://genome-www.stanford.edu/Saccharomyces/VL-yeast.html
problems with the YEAST newsgroup? E-mail the moderator: francis at cmmt.ubc.ca

More information about the Yeast mailing list

Send comments to us at biosci-help [At] net.bio.net