This may be the ticket: http://www.sciencedirect.com/science/article/pii/0003269781904735

Dear Nick, thank you for your suggestion. Best regards.

Dear all, thank you for your contributions.

The STET prep (boiling)  cited was a long standard prep for many folks for routine minipreps in E.coli, I would note that the insoluble clot is generally just removed with a toothpick as oppose to the centrifugation mentioned, but have never tried it with G+ bugs. The key to a Staph preps is the lysozyme (or lysostaphin), in my experience (although not S. aures specifically) any variation of alkaline lysis using a Solution I that contains a liberal amount of lysozyme and proteinase K works.  I toss in the proteinase K to combat nucleases prior to organic extraction, it may well be unnecessary.  The cited lactobacilli protocol is such a protocol, it should work.  They do two rounds of the isopropanol precipitation in that protocol (one prior to organic extraction), I do one.  

Hi,

Try this, it works for most gram positive bacteria (pdf file attached).

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC239314/pdf/aem00166-0025.pdf

Regards