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Microbial Metabolism

Nitrogen Uptake by Microbes

Description

Nitrogen uptake by microbes is essential for making proteins, nucleic acids, and other cell parts. Many bacteria and archaea take in nitrogen as nitrate or ammonia. They then convert it into forms that can be built into biomolecules.

When nitrate enters a cell, it goes through assimilatory nitrat...

Transcript

์งˆ์†Œ๋Š” ๋‹จ๋ฐฑ์งˆ, ํ•ต์‚ฐ, ์ฝ”์—”์ž์ž„ ๋ฐ ๊ธฐํƒ€ ์„ธํฌ ๊ตฌ์„ฑ ์š”์†Œ์˜ ์ฃผ์š” ๊ตฌ์„ฑ ์š”์†Œ์ž…๋‹ˆ๋‹ค.

๋Œ€๋ถ€๋ถ„์˜ ๋ฐ•ํ…Œ๋ฆฌ์•„์™€ ๊ณ ์„ธ๊ท ์€ ์งˆ์‚ฐ์—ผ๊ณผ ์•”๋ชจ๋‹ˆ์•„์˜ ํ˜•ํƒœ๋กœ ์งˆ์†Œ๋ฅผ ๋™ํ™”์‹œํ‚ต๋‹ˆ๋‹ค.

์งˆ์‚ฐ์—ผ์€ ์„ธํฌ์— ๋“ค์–ด๊ฐ€ ์งˆ์‚ฐ์—ผ ํ™˜์›ํšจ์†Œ์— ์˜ํ•ด ์•„์งˆ์‚ฐ์—ผ์œผ๋กœ ์ˆœ์ฐจ์ ์œผ๋กœ ํ™˜์›๋œ ๋‹ค์Œ ์•„์งˆ์‚ฐ์—ผ ํ™˜์›ํšจ์†Œ์— ์˜ํ•ด ์•”๋ชจ๋‹ˆ์•„๋กœ ํ™˜์›๋˜๋Š”๋ฐ, ์ด๋Š” ๋™ํ™” ์งˆ์‚ฐ์—ผ ํ™˜์›์ด๋ผ๊ณ  ํ•˜๋Š” ๊ณผ์ •์ž…๋‹ˆ๋‹ค.

์•”๋ชจ๋‹ˆ์•„ ๋™ํ™”๋Š” ์•”๋ชจ๋‹ˆ์•„ ์ˆ˜์น˜์— ๋”ฐ๋ผ ๋‘ ๊ฐ€์ง€ ์ฃผ์š” ๊ฒฝ๋กœ๋ฅผ ํ†ตํ•ด ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

์•”๋ชจ๋‹ˆ์•„ ์ˆ˜์น˜๊ฐ€ ๋†’์„ ๋•Œ ๋ฐ•ํ…Œ๋ฆฌ์•„์™€ ๊ณฐํŒก์ด๋Š” ๊ธ€๋ฃจํƒ€๋ฉ”์ดํŠธ ํƒˆ์ˆ˜์†Œํšจ์†Œ๊ฐ€ ฮฑ-์ผ€ํ† ๊ธ€๋ฃจํƒ€๋ ˆ์ดํŠธ๋ฅผ ๊ธ€๋ฃจํƒ€๋ฉ”์ดํŠธ๋กœ ์ „ํ™˜ํ•˜๋Š” ํ™˜์›์„ฑ ์•„๋ฏผํ™” ๊ฒฝ๋กœ๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

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