Paper: Methods
Paper: Results
Paper: Random
Random Microbiome I
Random Microbiome II
100

What was the total n of this study?

What is 54,198

100

True or false: L. asaccharolyticus is not present in people who never drink coffee.

What is false. 
100

Coffee beans are not actually beans, they are: 

What are fruit seed/pits

100

What % of all disease can some way be traced back to the gut and health of the gut microbiome?

What is 90%

100

Overgrowth of this bacterial species can occur after antibiotic use, leading to infection/inflammation.

What is Clostridium dificile

200

What are the types of coffee that were tested for ability to stimulate L.asaccharolyticus growth in vitro?

What are: 1) brewed, 2) brewed decaffeinated, 3) instant, and 4) instant decaffeinated. 

200

How many ancient human microbiome samples were tested? How many had A.saccharolyticus present?

What is: 37 and 2. 

200

What country is the largest producer of coffee widely known as the coffee powerhouse?

What is Brazil (produces 40% of the world's coffee!)

200

True or false: Humans differ more from each other via their microbial genes than via their human genes?

What is true. 

200

What is the number of non-redundant genes present in the human microbiome?

What is 3.3 million

300
What were the two bacterial species used as controls in the in vitro studies?

What are E.coli and B.fragilis. 

300

Which type of coffee stimulated L. saccharolyticus growth on agar plates the most at both the 5 g/L and 10 g/L doses?

What is instant
300

True or false: decaffeinated coffee does not contain caffeine

What is false

300

What are the six main phyla of bacteria present in the gut microbiome?

What are 1) Firmicutes, 2) Bacteriodetes, 3) Actinobacteria, 4) Proteobacteria, 5) Verrucomicrobia, and 6) Fusobacteria. 

300

How many vitamins are exclusively produced by microorganisms?

Just one! Vitamin B12. Animals, plants and fungi are incapable of production and it is the only vitamin that is exclusively produced by microorganisms, particularly by anaerobes.

400

What does PREDICT stand for?

Personalized Responses to Dietary Consumption Trial

400

Name 3 metabolites of coffee that were correlated with coffee intake. 

What are: caffeine, 1-methyluric acid, 1,7-dimethyluric acid, 1-methylxanthine, 3-methylxanthine and 5-acetylamino-6-amino-3-methyluracil, quinic acid, and trigonelline


400

What famous composer was very specific about loving coffee, theorizing that "the perfect cup of coffee must be made from 60 coffee beans; no more, no less"

What is Beethoven

400

What mucus-degrading bacterial species has recently been linked to multiple sclerosis?

What is Akkermansia muciniphila

400

Which bacterial species produces polysaccharide A?

What is Bacteroides fragilis

500

What cohort was used for the metabolomic studies?

the MLVS cohort

500

Which country had the highest coffee consumption per capita?

What is Luxembourg

500
How many unique letters are in the name of the bacteria associated with coffee consumption?

What is 15

500

What are the two organs of the body in which the presence of a microbiome has been hotly debated?

What are the placenta and the brain

500

What % of the body's serotonin is produced in the gut?

What is 90-95%