Mycobacteria and shellfish shells allergy

Do people with mycobacterial infections have shellfish allergies?

defensin is an antimicrobial compound in shellfish shells
http://www.ncbi.nlm.nih.gov/pubmed/23000749

 Defensins family compounds are the major defense of the immune system against mycobacteria
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3242998/
http://www.ncbi.nlm.nih.gov/pubmed/24762307

Parkinson's and shellfish shell allergic reaction? crawdads were boiled with the shell on
http://forum.parkinson.org/index.php?/topic/17534-parkinsons-and-issues-with-shellfish/

Parkinson's has been associated with the mycobacteria called Nocardia 
Parkinson's and psoriasis often pair up together too.
http://angelabiggs.blogspot.com/2014/10/cross-targeting-autoimmunity-in.html

Psoriasis has also been associated with mycobacteria

Has psoriasis been associated with shellfish allergy?

crohn's and psoriasis seem to be connected and might be the  same disease
http://www.ncbi.nlm.nih.gov/pubmed/12789169

Note that eating shellfish is now said to help crohn's
http://www.emaxhealth.com/1020/crab-shrimp-and-lobster-could-offer-crohns-disease-help

are they killing the mycobacterias before allergy develops or is this just safer to have a kill-off go on in your intestine?