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Methanogens

Methanogens. Ruminants. &. What is a ruminant?. It is an animal of the order Artiodactyla. They digest plant based food in their first stomach, called the rumen. Then they regurgitate it and chew it as cud.

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Methanogens

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  1. Methanogens Ruminants &

  2. What is a ruminant? • It is an animal of the order Artiodactyla. • They digest plant based food in their first stomach, called the rumen. • Then they regurgitate it and chew it as cud. • Ruminants: cattle, goats, sheep, giraffes, bison, yaks, water buffalo, deer, camels The digestive system of a cow.

  3. What is the relationship between rumen and the breakdown of cellulose? • Almost all the glucose produced by the breaking down of cellulose and is used by microbes in the rumen, and as such ruminants usually absorb little glucose from the small intestine. Ruminants' requirement for glucose (for brain function and lactation) is made by the liver from propionate, one of the volatile fatty acids made in the rumen. A ruminant!

  4. What is a methanogen? • Microorganisms that produce methane gas in conditions with low oxygen. • They cause methane gas. • Methanogens belong to the archaea group. • Some scientists have believe that the presence of methane in the atmosphere of Mars may be show the presence of native methanogens on that planet. A methanogen colony

  5. Where can methanogens be found? • They are common in wetlands (cause marsh gas) and in the guts of ruminants and humans, where they are responsible for the methane content of flatulence.

  6. YouTube Links • Ruminants: skip to :45http://www.youtube.com/watch?v=pbeI4aiSLyg • Methanogens: enjoy :) • http://www.youtube.com/watch?v=IrpKD5L626c

  7. Self Quiz[see next slide for answers] • 1. How are ruminants and methanogens related? • 2. Why are certain animals called ruminants? • 3. What type of conditions do methanogens need to produce methane gas? • 4. What do ruminants and humans have in common, specifically relating to these topics? • 5. Where can methanogens be found? • 6. What group do methanogens belong to?

  8. Self Quiz Answers • 1. Methanogens cause methane gas in the intestines of ruminants. • 2. The main organ that digests their food is called the rumen. • 3. Methanogens need an anaerobic environment. • 4. Humans and ruminants both produce methane gas in their intestines. • 5. They can be found in wetlands and the intestines of ruminants and humans. • 6. Methanogens belong to the archaea group.

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