Lecture 14 Review Q and A (human microbe) Flashcards

1
Q

Define symbionts, commensals and pathobionts

A

Symbionts: organisms with known health promoting function

Commensals: permanent residents of the gut that offer no benefit or detriment to you

Pathobionts: permanent residents of micro biome , but could induce pathology

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2
Q

How does maternal exposure impact fetus and newborn?

A

Babies get a lot of their microflora from mum during birth and breast feeding, so anything that impacts mum will impact infant as well

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3
Q

Bifidobacterium infantis and relationship with breast milk composition

A

really good for gut bacteria function and for modulating the immune system response in newborns . If a newborn is born vaginally, they will get bifidobacterium, but those born by C-section do not. Breastmilk contains an oligosaccharide that infants cannot digest, so we wonder what purpose it served. Turns out it is food for bifidobacterium.

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4
Q

Adverse health outcomes associated with babies born c-section due to differences in their micro biome compared to that of babies born vaginally

A

Obesity, asthma, allergic diseases (eczema and rhinitis), Type 1 diabetes, neonatal respiratory distress syndrome, persistent pulmonary hypertension and altered lung function

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5
Q

What was the novel treatment described for C. dificile?

A

Fecal Transplants

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