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È¿À²Àû ºÐºñ ¹ßÇö ½ÇÇèÀÌ °¡´ÉÇÑ

Brevibacillus In vivo Cloning ¹æ¹ý(BIC ¹ý)

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Á¦Á¶»ç Á¦Ç°ÄÚµå Á¦Ç°¸í ¿ë·® °¡°Ý
(ºÎ°¡¼¼º°µµ)
ºñ°í »ç¿ëÀڸŴº¾ó
µ¥ÀÌÅÍ°¡ ¾ø½À´Ï´Ù

Á¦Ç°¼³¸í
  • BIC¹ý(Brevibacillus In vivo Cloning¹ý)À» ä¿ëÇÑ °íÈ¿À² ºÐºñ ¹ßÇö ½Ã½ºÅÛ
  • PCR´ÜÆíÀ» vector DNA¿Í È¥ÇÕÇØ ÇüÁú ÀüȯÇÏ´Â ´Ü°è¸¸À¸·Î ¹ßÇö plasmid ±¸Ãà °¡´É
  • 4Á¾·ùÀÇ pBIC vector·Î ¼öÇàÇÏ¿© ¸ñÀû ´Ü¹éÁúÀÇ ÃÖÀûÀÇ ºÐºñ ¹ßÇö ¼­¿­ÀÇ ½ºÅ©¸®´× °¡´É

Brevibacillus(Bacillus brevis) ¹ßÇö½Ã½ºÅÛÀº °íÈ¿À² ºÐºñ ¹ßÇöÀ» Ư¡À¸·Î ÇÏ´Â ´Ü¹éÁú »ý»ê ´É·ÂÀÌ ¶Ù¾î³­ ½Ã½ºÅÛÀÌ´Ù. ÀÌ ±ÕÀº ±×¶÷ ¾ç¼º ¼¼±ÕÀ¸·Î ´Ü¹éÁúÀ» ´ë·®À¸·Î ºÐºñ »ý»êÇϴ Ư¡À» °®°í ÀÖ´Ù1, 2). ÀÌ Æ¯Â¡À» »ì·Á Áö±Ý±îÁö ´Ù¼öÀÇ ÀÌÁ¾ ´Ü¹éÁú »ý»ê¿¡ ¼º°øÇØ ¿Ô´Ù. º» ½Ã½ºÅÛ¿¡´Â ´ÙÀ½°ú °°Àº Ư¡ÀÌ ÀÖ°í ƯÈ÷ ºÐºñ ´Ü¹éÁúÀÇ »ý»ê ´É·ÂÀ» ¹ßÈÖÇÑ´Ù.
  • ´ë·®ÀÇ ´Ü¹éÁúÀ» ¼¼Æ÷ ¿Ü ºÐºñ »ý»êÇÑ´Ù.
  • À¯ÀüÀÚ Á¶ÀÛ, ¹è¾ç »ý»ê µî Ãë±ÞÀÌ ¸Å¿ì ½±´Ù.
  • Protease È°¼ºÀ» °ÅÀÇ ³ªÅ¸³»Áö ¾Ê´Â´Ù.
  • È°¼ºÇüÀÇ ´Ü¹éÁúÀ» »ý»êÇÑ´Ù.
  • ¾ÈÀüÇÑ ¼÷ÁÖ(GILSPÀÚµ¿È­ ¸ñ·Ï¿¡ °ÔÀç)

º» ½Ã½ºÅÛ¿¡ ÀÇÇÑ ´Ü¹éÁú »ý»ê ½ÇÀûÀÇ ÀϺθ¦ Ç¥ 1¿¡ ³ªÅ¸³Â´Ù. È¿¼Ò, Ç׿ø, cytokines µîÀÇ °í¹ßÇöÀ» ´Þ¼ºÇßÀ¸¸ç ÀÌµé ¸ðµÎ È°¼ºÀÌ ÀÖÀ½À» È®ÀÎÇß´Ù. ¶Ç, ¹ÚÅ׸®¾Æ, °í¼¼±Õ, ÁøÇÙ»ý¹° À¯·¡ÀÇ ´Ü¹éÁú »ý»ê ½ÇÀûµµ ÀÖ°í À¯ÀüÀÚÀÇ À¯·¡¿¡ ºÒ±¸ÇÏ°í ³ôÀº ½ÇÀûÀ» °¡Áö°í ÀÖ´Ù. ƯÈ÷, ÁøÇÙ »ý¹° À¯·¡ÀÇ ºÐºñ ´Ü¹éÁúÀº º¸Åë ºÐÀÚ ³»¿¡ S-S°áÇÕÀ» ÅëÇÑ ±¸Á¶¸¦ °¡Áö°í ÀÖÀ¸¸ç, ¿øÇÙ»ý¹°ÀÇ ¹ßÇö°è¿¡¼­´Â ÀϹÝÀûÀ¸·Î »ý»êÀÌ ¾î·Á¿î °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. º» ¼÷ÁÖ¿¡¼­´Â ºÐºñ »ý»êÀ̶ó´Â Ư¡¿¡¼­ S-S°áÇÕÀ» °¡Áø ´Ü¹éÁú È¿À²ÀûÀ¸·Î »ý»êÇÒ ¼ö ÀÖ´Â °ÍÀÌ È®Àεǰí ÀÖ´Ù.

¶Ç, º» ¼÷ÁÖ´Â ÇüÁú Àüȯ È¿À²ÀÌ ³ô±â ¶§¹®¿¡ º¹Á¦°¡ ½±°Ô ÀÌ·ç¾îÁø´Ù. º» ½Ã½ºÅÛ¿¡¼­ ä¿ëÇÏ°í ÀÖ´Â BIC¹ý (Brevibacillus In vivo Cloning¹ý)Àº ¸Å¿ì °£ÆíÇÑ ±â¹ýÀ¸·Î, PCR ´ÜÆíÀ» vector DNA¿Í È¥ÇÕÇÏ¿© ÇüÁúÀüȯÇÏ´Â °Í¸¸À¸·Îµµ ¹ßÇö plasmid¸¦ ±¸ÃàÇÒ ¼ö ÀÖ´Ù.

¹è¾ç »ý»êµµ °£´ÜÇÏ´Ù. ¸ñÀû ´Ü¹éÁúÀÇ ¹è¾ç »ý»ê¿¡´Â ¼ºÁúÀÌ ´Ù¸¥ 2Á¾·ùÀÇ ¹èÁö¸¦ ¼±ÅÃÇÒ ¼ö ÀÖ´Ù. ºÐºñ ¹ßÇöÀÇ °æ¿ì plasmid¸¦ µµÀÔÇÑ ¹ßÇö¿ë ¼÷ÁÖ¸¦ ¹èÁö¿¡ ½Ä±ÕÇÏ°í Áøµ¿ ¹è¾çÇÏ¸é ¹è¾ç»ó ûÀ¸·Î ¸ñÀû ´Ü¹éÁúÀÌ ºÐºñµÈ´Ù. ¿ø½ÉºÐ¸®·Î ±Õ»çü¸¦ Á¦°ÅÇÔÀ¸·Î½á ¸¼°í ±ú²ýÇÑ ´Ü¹éÁú ¿ë¾×À» ¾ò¾î ÀÌÈÄÀÇ Á¤Á¦ °øÁ¤µµ °£ÆíÇÏ°Ô ÀÌ·ç¾îÁø´Ù.

Ç¥ 1. Examples of successful heterologous protein expression using the B. choshinensis host expression system

Proteins

Origins

Production(g/L)

References

Enzymes

¥á-amylase

B. licheniformis

3.7

¡¡

Sphingomyelinase

B. cereus

3

¡¡

Xylanase

B. halodurans

0.2

¡¡

CGTase

B. macerans

5

¡¡

Chitosanase

B. circulans

1.4

¡¡

Hyper thermo-stable protease

A. pernix

0.1

¡¡

Hyper thermo-stable protease

P. horikoshii

0.7

¡¡

PDI

human

1

4)

Antigens

Surface antigen

E. rhusiopathiae

0.9

¡¡

Surface antigen

T. pallidum

0.8

¡¡

Antibodies

VHH(Anti-NDOM)

lama

3

¡¡

scFv(Anti-fluorescein)

mouse

0.2

¡¡

Fab(Anti-erbB)

mouse

0.4

¡¡

Cytokines

EGF

human

7

¡¡

NGF

mouse

0.2

¡¡

IFN-¥ã

chicken

0.5

6)

TNF-¥á

bovine

0.4

¡¡

GM-CSF

bovine

0.2

¡¡

GH

flounder

0.2

¡¡

BIC¹ýÀÇ ¿ø¸®- Ligation-independent Cloning Method
pBIC systemÀº °£´ÜÇÑ 3´Ü°è·Î ligation-independent cloning methodÀ» Àû¿ëÇÒ ¼ö ÀÖ´Ù. 1) PCR·Î insert »ý¼º, 2) insert¿Í vector¸¦ ¼¯¾î Brevibacillus Competent Cells¿¡ ÇüÁúÀüȯ 3) neomycinÀÌ Æ÷ÇÔµÈ ¹èÁö¿¡ plating. ÀÚ¼¼ÇÑ »çÇ×Àº User ManualÀ» Âü°í ¹Ù¶ø´Ï´Ù.


Brevibacillus in vivo Cloning (BIC) methodÀÇ °³¿ä.


pBIC vector map.

pBIC DNA¸¦ ÀÌ¿ëÇϸé ÀÌÇÏÀÇ 3Á¾·ùÀÇ ¹ßÇö¿ë plasmid¸¦ ±¸ÃàÇÒ ¼ö ÀÖ´Ù.
1) His-tag secreted protein expression: N¸»´Ü¿¡ AD+6xHis+DDDK(EnterokinaseÀÇ Àνļ­¿­)À» ºÙÀÎ ÇüÅ·ΠºÐºñ½ÃŲ´Ù.
2) untagged secreted protein expression: ºÐºñ ½Ã±×³Î ÇÏ·ù¿¡ ¸ñÀû À¯ÀüÀÚ¸¦ µµÀÔÇÑ´Ù.
3) intracellular protein expression: ¹ø¿ª °³½ÃÁ¡ ATGÀÇ ÇÏ·ù¿¡ À¯ÀüÀÚ¸¦ µµÀÔÇÑ´Ù.
³»¿ë
Brevibacillus Expression System - BIC System (Code HB300)

Component

Amount

pBIC DNA Set (Code HB310), 10 rxns

Linear Vector DNA

¡¡

pBIC1 DNA

5 ¥ìg (100 ng/¥ìL)

pBIC2 DNA

5 ¥ìg (100 ng/¥ìL)

pBIC3 DNA

5 ¥ìg (100 ng/¥ìL)

pBIC4 DNA

5 ¥ìg (100 ng/¥ìL)

Control (Insert DNA)

¡¡

BLA

1 ¥ìg (80 ng/¥ìL)

Brevibacillus Competent Cells (Code HB116)

Brevibacillus Competent Cells

100 ¥ìL x 10

MT medium

1 mL x 10

Solution A

1 mL x 1

Solution B

1 mL x 2


pBIC Vector DNA

Promoter

Portion of the 5¡Ç sequence upstream of the B. choshinensis P22 gene, which provides strong constitutive expression

Secretion Signal

pBIC1: Secretion signal for BbrPI from B. choshinensis

pBIC2: Secretion signal for a cell wall protein from B. brevis

pBIC3: Secretion signal for the P22 gene from B. choshinensis

pBIC4: Modified secretion signal for pBIC2

Terminator

46 bp termination signal inserted downstream from the cloning site

Rep

Encodes a protein related to plasmid replication (derived from pUB110)

Ori

Plasmid replication origin (derived from pUB110)

NmR

Neomycin resistance gene (selection marker)

º¸Á¸
pBIC DNA Set components´Â -20¡ÆC¿¡ º¸°ü
Brevibacillus Competent Cells, MT medium, Solution A¿Í Solution B´Â -80¡ÆC ¿¡ º¸°ü

Keyword :

Brevibacillus£¯Bacillus ¹ßÇö°è
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B. subtilis Secretory Protein Expression System
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Brevibacillus ºÐºñ ¹ßÇö ½Ã½ºÅÛ
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È¿À²Àû ºÐºñ ¹ßÇö ½ÇÇèÀÌ °¡´ÉÇÑ
Brevibacillus In vivo Cloning ¹æ¹ý(BIC ¹ý)