chapter_5 - The Common Nutrient Requirements Chapter 5...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 1 Chapter 5 Microbial Nutrition 2 The Common Nutrient Requirements macroelements (macronutrients) C, O, H, N, S, P, K, Ca, Mg, and Fe required in relatively large amounts micronutrients (trace elements) Mn, Zn, Co, Mo, Ni, and Cu required in trace amounts often supplied in water or in media components 3 Requirements for Carbon, Hydrogen, and Oxygen often satisfied together carbon source often provides H, O and electrons autotrophs use carbon dioxide as their sole or principal carbon source heterotrophs use organic molecules as carbon sources 4 Nutritional Types of Microorganisms
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 5 mixotrophy •chemical energy source (inorganic) •inorganic H/e - donor •organic carbon source 6 Requirements for Nitrogen, Phosphorus, and Sulfur needed for synthesis of important molecules (e.g., amino acids, nucleic acids) nitrogen supplied in numerous ways phosphorus usually supplied as inorganic phosphate sulfur usually supplied as sulfate via assimilatory sulfate reduction 7 Uptake of Nutrients by the Cell Some nutrients enter by passive diffusion Most nutrients enter by: facilitated diffusion active transport group translocation
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/11/2009 for the course BISC 300 taught by Professor dr. d. w. smith during the Spring '07 term at University of Dundee.

Page1 / 9

chapter_5 - The Common Nutrient Requirements Chapter 5...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online