This is from a special analysis identifying bacteria that are probiotics that have association to histamines and mast cell issues using the 394 annotated samples contributed.

Some species are to be avoided. Keeping to the specified species is strongly recommended,

Tax_Name	Tax_rank	Symptom Frequency	No Symptom Frequency	Suggests
Bifidobacterium adolescentis	species	33.5	48.8	Take
Bifidobacterium pseudocatenulatum	species	8.9	7.7	Avoid
Lactococcus	genus	42.9	55.6	Take
Bifidobacterium gallicum	species	18.8	27.7	Take
Bifidobacterium kashiwanohense PV20-2	strain	10.7	20.3	Take
Bifidobacterium indicum	species	27.4	39.8	Take
Bifidobacterium	genus	83.8	94.4	Take
Bifidobacterium catenulatum subsp. kashiwanohense	subspecies	13.7	21.9	Take
Bifidobacteriaceae	family	85.3	95.4	Take
Bifidobacteriales	order	85.5	95.4	Take
Lactobacillus rogosae	species	22.8	26.6	Take
Bifidobacterium bombi	species	13.7	21.3	Take
Lactobacillaceae	family	91.1	96.7	Take
Lactobacillus iners	species	10.2	14.1	Take
Bifidobacterium subtile	species	22.6	26.8	Take
Lactobacillus	genus	83.2	89	Take
Bifidobacterium thermacidophilum	species	12.2	14.7	Take
Lactobacillales	order	97	100	Take
Lactococcus lactis	species	14	18.3	Take

In terms of bacteria patterns found, the following were found statistically significant

Tax_Name	Tax_rank	Symptom Frequency	No Symptom Frequency
unclassified Clostridiales	family	50.5	29.2	Too many
Elusimicrobia	phylum	8.4	3.8	Too many
Prevotella paludivivens	species	9.6	19	Too Few
Lacrimispora saccharolytica	species	10.2	8	Too many
Alistipes sp. NML05A004	species	13.7	7.7	Too many
Proteus	genus	8.4	7.4	Too many
Butyricimonas sp. 214-4	species	10.7	4.7	Too many
Bifidobacterium adolescentis	species	33.5	48.8	Too Few
Pseudobutyrivibrio xylanivorans	species	35.3	49.7	Too Few
Bacillales Family XI. Incertae Sedis	norank	52.5	69.1	Too Few
Papillibacter	genus	35.3	23.5	Too many
Gemella	genus	52.3	68.6	Too Few
Tepidibacter	genus	10.9	16.7	Too Few
Oribacterium sinus	species	55.6	71.2	Too Few
Elusimicrobia	class	8.1	3.1	Too many
Citrobacter freundii complex	species group	8.9	8.1	Too many
Peptoclostridium	genus	23.6	18	Too many
Natronincola	genus	29.7	44	Too Few
Prevotella copri	species	56.9	72.2	Too Few
unclassified Alistipes	norank	19	11.9	Too many
unclassified Butyricimonas	norank	14.5	5.1	Too many
Natronincola peptidivorans	species	26.1	41.3	Too Few
Ruminococcus gnavus	species	67	80.8	Too Few
Veillonella dispar	species	36.3	52.1	Too Few
Streptococcus sanguinis	species	15.2	21.7	Too Few
Caulobacterales	order	19.3	28.8	Too Few
Caulobacteraceae	family	19.3	28.8	Too Few
Streptococcus vestibularis	species	30.7	44	Too Few
Caloramator mitchellensis	species	35.8	49.9	Too Few
Streptococcus fryi	species	17.8	28.9	Too Few
Pectinatus cerevisiiphilus	species	28.9	42.7	Too Few
Bifidobacterium pseudocatenulatum	species	8.9	7.7	Too many
Anaerobranca zavarzinii	species	27.9	39.8	Too Few
Lactococcus	genus	42.9	55.6	Too Few
Natranaerobiales	order	30.7	42.2	Too Few