Comment by Dr. Grimes in a Video June 2011

• 10% of the cells in our body are human = 10 trillion
• 90% of the cells in our body are microbial = 90 trillion
• 25,000 human genes
• 1,300,000 genes just in our intestine
  There are far more genes in our body which might be influenced by vitamin D than we have been aware of.

See also web

• More than 9,000,000 Unique Genes in Human Gut Bacterial Community: 2009
• A human gut microbial gene catalogue established by metagenomic sequencing
  Nature, March 2010: 3.3 million non-redundant microbial genes; about 150 times larger than the human gene complement
• Iron Bacteria in WikiPedia
  Wonder if bacteria in the human gut concentrate stuff, say vitamin D, the way bacteria concentrated iron for the vikings
• Fungus found in intestines June 2012
  200 species, 100 of which had never been described before
  Recall that just bacteria outnumber human cells by 10X - and this does not count virus and fungus

Intestinal fungus from previous reference

Apparently there has been no investigation of bacteria genes and vitamin D bioavailability

Even though non-human genes make up 99% of the genes in the human body

Another way to state it. The human body probably shares less than 1% of the genes with a banana

Observation: Inuits have greatly reduced uptake of vitamin D from foods - some of their local food has toxic level of vitamin D

Wonder if that reduced intake is due to changes in human genes or bacterial genes

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They Outnumber Your Cells Ten to One but Researchers Show they Play Crucial Role in Your Health Mercola April 2011

Highlights

• There are 100 trillion cells in your body, but only one in 10 is human. The rest are bacteria, fungi, viruses and other microorganisms, i.e. your microflora.
• Your microflora influence your genetic expression, your immune system, your weight and your risk of numerous chronic and acute diseases, from diabetes to cancer.
• It is becoming increasingly clear that destroying your gut flora with antibiotics and poor diet is a primary factor in rising disease rates.
• Gut Bacteria Divides People Into Three Types (similar to 4 blood types)
• Link to a doctor who discusses this issue

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See also VitaminDWiki

• All items in Genetics and Vitamin D 343 items
• Race vs vitamin D level - Veith May 2011 many links
• Vitamin D and Cholesterol page on VitaminDWiki
• Genes affect vitamin D processing in many places - 2010
• Off topic At least 360X more bacterial genes than human genes in the body – June 2012
• All items in category Gut and Vitamin D 208 items
• Overview Gut and vitamin D
• People with gut problems are low on vitamin D
  Supplement options if have gut problem: Option 1 - Option 2