KR20160079897A - 유기산들을 생산하는 대장균의 대사적 진화 - Google Patents
유기산들을 생산하는 대장균의 대사적 진화 Download PDFInfo
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- KR20160079897A KR20160079897A KR1020167016498A KR20167016498A KR20160079897A KR 20160079897 A KR20160079897 A KR 20160079897A KR 1020167016498 A KR1020167016498 A KR 1020167016498A KR 20167016498 A KR20167016498 A KR 20167016498A KR 20160079897 A KR20160079897 A KR 20160079897A
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- Prior art keywords
- mutation
- gene
- xylose
- rti
- glucose
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Abstract
Description
도 2. 8% 자일로스로 보충된 미네랄 염 배지 내에서 자일로스를 대사하도록 적합화된 이. 콜리(E. coli)의 KJ122 균주에 대한 발효 프로파일. 발효는 총 168 시간의 주기 동안 수행되었다. 솔리드 써클들 내에서 보여지는 자일로스 사용은 오픈 써클들에서 보여지는 550 nm 에서의 광학적 밀도에서의 증가의 관점에서 측정되는 박테리아 세포 밀도에서의 증가에 의해 수반되어 약 72 시간에서 시작되었다. 솔리드 스퀘어들에서 보여지는 숙신산염 농도에서의 증가는 약 72 시간에서 발생하였다. 상기 도면에서 또한 보여지는 것은 발효의 168 시간의 경과 동안 배지 내에서의 아세트산염, 피루브산염 및 말산염의 농도에서의 변화들이다.
도 3. 8% 자일로스로 보충된 미네랄 염 배지 내에서 이. 콜리(E. coli)의 TG400 균주에 대한 발효 프로파일. 발효 프로파일은 120 시간의 주기 동안 모니터되었다. 솔리드 써클들 내에서 보여지는 자일로스 사용은 오픈 써클들에서 보여지는 550 nm 에서의 광학적 밀도에서의 증가의 관점에서 측정되는 박테리아 세포 밀도에서의 증가에 의해 수반되어 약 30 시간에서 시작되었다. 솔리드 스퀘어들에서 보여지는 숙신산염 농도에서의 증가는 약 30 시간에서 발생하였다. 상기 도면에서 또한 보여지는 것은 발효의 120 시간의 경과 동안 배지 내에서의 아세트산염, 피루브산염 및 말산염의 농도에서의 변화들이다.
도 4. 이. 콜리(E. coli)의 KJ122 및 TG400 균주들에 의한 혼합 당 발효의 프로파일. 발효는 총 144 시간의 주기 동안 수행되었다. 발효 배지는 글루코오스 및 자일로스 양자를 포함하였다. 글루코오스 농도에서의 감소에 의하여 보여지는 바와 같은 글루코오스 사용은 오픈 스퀘어들에 의해 보여진다. 자일로스 농도에서의 감소에 의하여 보여지는 바와 같은 자일로스 사용은 솔리드 써클들에 의해 보여진다. 발효 배지 내에서의 숙신산염 농도에서의 증가는 솔리드 스퀘어들에 의하여 보여진다. 144 시간의 발효의 과정 동안 550 nm 에서의 광학적 밀도에 의해 측정되는 바와 같은 세포 밀도 내에서의 변화가 오픈 써클들에 의하여 보여진다. 도면들에서 또한 보여지는 것은 발효의 144 시간의 경과 동안 아세트산염, 피루브산염 및 말산염의 농도에서의 변화들이다.
도 5. 이. 콜리(E. coil)의 TG400 균주에 의한 2.5%(w/v) 콘 스팁 리쿼(corn steep liquor)로 보충된 해독된 농축된 버개스(detoxified concentrated bagasse) C5 가수분해물의 발효의 프로파일. 자일로스의 농도에서의 감소에 의해 측정되는 바와 같은 자일로스 사용은 솔리드 써클들 내에 보여진다. 발효 배지 내에서의 숙신산염 농도에서의 증가는 솔리드 스퀘어들에 의하여 보여진다. 도면에서 또한 보여지는 것은 발효의 168 시간의 경과 동안 피루브산염, 아세트산염, 말산염 및 락트산염의 농도에서의 변화들이다.
도 6. 글루코오스 및 자일로스 양자를 포함하는 배지 내에서의 이. 콜리(E. coil)의 WG37 균주의 발효 프로파일. 발효는 120 시간의 주기 동안 수행되었다. 글루코오스 농도에서의 감소에 의하여 측정되는 바와 같은 글루코오스 사용은 오픈 스퀘어들에서 보여진다. 자일로스 농도에서의 감소에 의하여 측정되는 바와 같은 자일로스 사용은 솔리드 써클들에서 보여진다. 120 시간의 발효의 과정 동안 550 nm 에서의 광학적 밀도에 의해 측정되는 바와 같은 박테리아 세포 밀도에서의 변화는 오픈 써클들에 의해 보여진다. 숙신산염 농도에서의 증가는 솔리드 스퀘어들 내에 보여진다. 도면에서 또한 보여지는 것은 발효의 120 시간의 경과 동안 아세트산염, 피루브산염 및 말산염의 농도에서의 변화들이다.
도 7. 4% 자일로스 및 7% 글루코오스를 포함하는 성장 배지 내에서의 박테리아의 TG400, WG37 및 KJ122 균주들에 의한 숙신산 생산의 사이드-바이 사이드 비교. 발효는 120 시간 주기 동안 수행되었다. 이. 콜리(E. coil)의 TG400(솔리드 써클들), KJ122(솔리드 트라이앵글), 및 WG37(인버트 트라이앵글) 균주들을 포함하는 발효 배지 내에서의 숙신산의 농도에서의 증가가 120 시간의 주기 동안 모니터되었다.
도 8. 단지 10% 자일로스만을 포함하는 성장 배지 내에서의 박테리아의 TG400, WG37 및 KJ122 균주들에 의한 숙신산 생산의 사이드-바이 사이드 비교. 발효는 120 시간 주기 동안 수행되었다. 이. 콜리(E. coil)의 TG400(솔리드 써클들), KJ122(인버트 트라이앵글), 및 WG37(트라이앵글) 균주들을 포함하는 발효 배지 내에서의 숙신산의 농도에서의 증가가 120 시간의 주기 동안 모니터되었다.
도 9. 단지 10% 글루코오스만을 포함하는 성장 배지 내에서의 박테리아의 TG400, WG37 및 KJ122 균주들에 의한 숙신산 생산의 사이드-바이 사이드 비교. 발효는 120 시간 주기 동안 수행되었다. 이. 콜리(E. coil)의 TG400(솔리드 써클들), KJ122(트라이앵글), 및 WG37(인버트 트라이앵글) 균주들을 포함하는 발효 배지 내에서의 숙신산의 농도에서의 증가가 120 시간의 주기 동안 모니터되었다.
도 10. 탄소의 단독 소스로서 자일로스를 포함하는 성장 배지 내에서의 이. 콜리(E. coil)의 KJ122 및 SI014 균주들 성장 프로파일. 박테리아 성장은 총 97 시간 주기 동안 600 nm에서의 광학적 밀도의 관점에서 모니터되었다. (솔리드 써클들)의 KJ122 균주는 단지 매우 느린 성장을 보였다. 다른 한편으로, SI014 균주 (솔리드 스퀘어들)은 세포 밀도에서의 느린 감소에 의해 후속되는 27 시간 이내의 빠른 성장을 보였다.
도 11. 탄소의 단독 소스로서 자일로스를 포함하는 배지 내에서의 이. 콜리(E. coil)의 KJ122 및 SI014 균주들에 의한 자일로스 사용 및 숙신산 생산에 대한 프로파일. 자일로스 사용은 97 시간의 주기 동안 배지 내에서의 자일로스 농도에서의 감소의 관점으로 측정되었다. SI014 균주(솔리드 스퀘어들)으로의 자일로스 사용은 KJ122 균주(솔리드 써클)에 의한 자일로스 사용과 비교하여 훨씬 빨랐다. 유사하게, SI014 균주(오픈 스퀘어들)으로의 숙신산염 생산은 KJ122 균주(오픈 써클들)에 의한 숙신산염 생산과 비교하여 훨씬 빨랐다.
| 본 발명에서 사용된 프라이머들의 뉴클레오티드 서열 | ||
| 프라이머 번호 |
프라이머 이름 |
프라이머 서열 |
| SEQ ID No.1 | BY38 | 5' cagcgtttaatctatgatgatataactcaattattttca 3' |
| SEQ ID No.2 | BY39 | 5' ggcgatagggagacgggatgttttc 3' |
| SEQ ID No.3 | 49a | 5' ccgattacaccaaccacaac 3' |
| SEQ ID No.4 | 49b | 5' ggcgaatttcatagctttcc 3' |
| SEQ ID No.5 | 50a | 5' gaaataggcgctcacgatta 3' |
| SEQ ID No.6 | 50b | 5' aaacgtcattgccttgtttg 3' |
| SEQ ID No.7 | 51a | 5' taaccatattggagggcatcatgcctgacgctaaaaaacaggggcggtcaaacaa ggcaactagcgcatgcatccattta 3' |
| SEQ ID No.8 | 51b | 5' ctgcaagaggtggcttcctccgcgatgggaggaagcttggggagattaatcgtgag cgcctggcgaagaactccagcatga 3' |
| SEQ ID No.9 | 17ASPgalP | 5' acccagcacgttttccatca 3' |
| SEQ ID No.10 | 18SPgalP | 5' tgcgttcaaaggccagcctc 3' |
| 이. 콜리(E. coli)의 KJ122 및 TG400 균주들에 의한 글루코오스 발효 | ||||
| KJ122 | TG400 | |||
| mM* | g/L* | mM* | g/L* | |
| 소비된 글루코오스 | 573 | 103 | 368 | 66 |
| 숙신산 | 742 | 88 | 492 | 58 |
| 수율 | 1.29(몰/몰) | 1.35(몰/몰) | ||
| 수율(%) (이론적) |
75% | 78% | ||
| 이. 콜리(E. coli)의 KJ122 및 TG400 균주들에 의한 C5 및 C6 당들의 공동-발효. TG400 및 KJ122는 실험 전에 글루코오스를 포함하는 배지 상에 있었다. TG400***은 실험 전에 자일로스 상에서 활발하게 성장하였다. 결과들은 두 발효의 평균이다. |
||||||
| TG400 | KJ122 | TG400*** | ||||
| mM* | g/L* | mM* | g/L* | mM* | g/L* | |
| 소비된 자일로스 | 195 | 29 | 142 | 221 | 221 | 33 |
| 소비된 글루코오스 | 389 | 70 | 448 | 80.8 | 366 | 66 |
| 숙신산 | 721 | 85 | 633 | 75 | 810 | 96 |
| 이론적 수율 | 945 | 112 | 971 | 115 | 948 | 112 |
| 수율(%) | 76% | 65% |
86% | |||
| 배치 발효들(8% 자일로스)로부터의 수율-KJ122 대 TG400 | |||||||
| 균주 | 조건들 | 숙신산염 (g/L) |
아세트산염(g/L) |
말산염 (g/L) |
피루브산염(g/L) | 수율b (%) |
시간 (hrs) |
| KJ122c | a,c | 54 | 4 | 5 | 8 | 61 | 192 |
| KJ122 | a | 50 | 4 | 1 | 7 | 61 | 120 |
| TG400 | a | 70 | 7 | 0 | 0 | 76 | 96 |
| KJ122 | C5+C6d | 75 | 7 | 5 | 2 | 65 | 120 |
| TG400 | C5+C6d | 96 | 10 | 1 | 0 | 86 | 120 |
| TG400 | 가수분해물e | 66 | 6 | 1 | 0 | 92 | 120 |
Claims (26)
- galP 유전자 내에서의 돌연변이를 포함하는 단리된 대장균 박테리아 세포에 있어서, 상기 박테리아 세포는 PEP-의존성 포스포트랜스퍼라아제 시스템의 활성을 감소시키는 적어도 하나의 돌연변이를 포함하고 C5 및 C6 당들을 동시에 이용하여 공업적으로 유용한 화학물질을 생산하며, 그리고 상기 galP 유전자 내에서의 돌연변이는 위치 297에서 글리신 잔기를 아스파르트산 잔기로 치환하는 것을 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포.
- 제 1 항에 있어서,
적어도 하나의 비-PTS 당 이송자(non-PTS sugar transporter)의 활성을 증가시키는 적어도 하나의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 2 항에 있어서,
상기 비-PTS 당 이송자는 ATP 결합 카세트 이송자(ATP binding cassette transporter)인 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 2 항에 있어서,
상기 비-PTS 당 이송자는 주요 촉진제 상과(major facilitator super family)의 멤버인 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 1 항에 있어서,
발효적 경로에 관여되는 하나 이상의 유전자들의 발현을 비활성화하는 적어도 하나의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 1 항에 있어서,
트리카르복실산 회로에 관여되는 하나 이상의 유전자들을 비활성화하는 적어도 하나의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 1 항에 있어서,
포스포에놀피루베이트 카르복실라제를 코딩하는 유전자, NADH 의존성 말산 효소를 코딩하는 유전자, 및 NADPH 의존성 말산 효소를 코딩하는 유전자로 이루어진 그룹으로부터 선택된 유전자들 중 적어도 하나에서의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 1 항에 있어서,
외인성 피루베이트 카르복실라제를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 8 항에 있어서,
상기 외인성 피루베이트 카르복실라제는 락토바실러스 락티스 (Lactobacillus lactis) 또는 소굼 벌가 (Sorghum vulgare ) 또는 리조비움 에틀리 ( Rhizobium etli )로부터 유래된 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 1 항에 있어서,
증가된 포스포에놀 피루베이트 카르복시키나제 활성을 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 10 항에 있어서,
포스포에놀 피루베이트 카르복시키나제 활성의 증가된 수준은 pck 유전자 내에서의 돌연변이로부터 야기되는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 11 항에 있어서,
상기 돌연변이는 상기 pck 유전자의 프로모터 영역 내에 있는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - a. galP 유전자 내에 돌연변이를 가지며, PEP-의존성 포스포트랜스퍼라아제 시스템의 활성을 감소시키는 적어도 하나의 돌연변이를 포함하고 C5 및 C6 당들을 동시에 이용하여 공업적으로 유용한 화학물질을 생산하며, 그리고 상기 galP 유전자 내에서의 돌연변이는 위치 297에서 글리신 잔기를 아스파르트산 잔기로 치환하는 것을 포함하는 단리된 대장균 박테리아 세포를 제공하는 단계;
b. 펜토스 및 헥소스 당 양자를 동시에 함유하는 배지 내에서 단계 a의 박테리아 세포를 배양하는 단계; 및
c. 배양 배지로부터 유기산을 선택적으로 회수하는 단계
를 포함하는 유기산의 미생물학적 생산을 위한 공정. - galP 유전자 내에서의 돌연변이를 포함하는 단리된 대장균 박테리아 세포에 있어서, 상기 박테리아 세포는 PEP-의존성 포스포트랜스퍼라아제 시스템의 활성을 감소시키는 적어도 하나의 돌연변이를 포함하고 C5 및 C6 당들을 동시에 이용하여 공업적으로 유용한 화학물질을 생산하며, 그리고 상기 galP 유전자 내에서의 돌연변이는 결실인 것을 특징으로 하는 단리된 대장균 박테리아 세포.
- 제 14 항에 있어서,
적어도 하나의 비-PTS 당 이송자(non-PTS sugar transporter)의 활성을 증가시키는 적어도 하나의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 15 항에 있어서,
상기 비-PTS 당 이송자는 ATP 결합 카세트 이송자(ATP binding cassette transporter)인 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 15 항에 있어서,
상기 비-PTS 당 이송자는 주요 촉진제 상과(major facilitator super family)의 멤버인 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 14 항에 있어서,
발효적 경로에 관여되는 하나 이상의 유전자들의 발현을 비활성화하는 적어도 하나의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 14 항에 있어서,
트리카르복실산 회로에 관여되는 하나 이상의 유전자들을 비활성화하는 적어도 하나의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 14 항에 있어서,
포스포에놀피루베이트 카르복실라제를 코딩하는 유전자, NADH 의존성 말산 효소를 코딩하는 유전자, 및 NADPH 의존성 말산 효소를 코딩하는 유전자로 이루어진 그룹으로부터 선택된 유전자들 중 적어도 하나에서의 돌연변이를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 14 항에 있어서,
외인성 피루베이트 카르복실라제를 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 21 항에 있어서,
상기 외인성 피루베이트 카르복실라제는 락토바실러스 락티스 (Lactobacillus lactis) 또는 소굼 벌가 (Sorghum vulgare ) 또는 리조비움 에틀리 ( Rhizobium etli )로부터 유래된 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 14 항에 있어서,
증가된 포스포에놀 피루베이트 카르복시키나제 활성을 더 포함하는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 23 항에 있어서,
포스포에놀 피루베이트 카르복시키나제 활성의 증가된 수준은 pck 유전자 내에서의 돌연변이로부터 야기되는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - 제 24 항에 있어서,
상기 돌연변이는 상기 pck 유전자의 프로모터 영역 내에 있는 것을 특징으로 하는 단리된 대장균 박테리아 세포. - a. galP 유전자 내에 돌연변이를 가지며, PEP-의존성 포스포트랜스퍼라아제 시스템의 활성을 감소시키는 적어도 하나의 돌연변이를 포함하고 C5 및 C6 당들을 동시에 이용하여 공업적으로 유용한 화학물질을 생산하며, 그리고 상기 galP 유전자 내에서의 돌연변이는 결실인 것을 특징으로 하는 단리된 대장균 박테리아 세포를 제공하는 단계;
b. 펜토스 및 헥소스 당 양자를 동시에 함유하는 배지 내에서 단계 a의 박테리아 세포를 배양하는 단계; 및
c. 배양 배지로부터 유기산을 선택적으로 회수하는 단계
를 포함하는 유기산의 미생물학적 생산을 위한 공정.
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| US28148309P | 2009-11-18 | 2009-11-18 | |
| US61/281,483 | 2009-11-18 | ||
| PCT/US2010/057111 WO2011123154A2 (en) | 2009-11-18 | 2010-11-17 | Metabolic evolution of escherchia coli strains that produce organic acids |
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| CN (1) | CN102686718B (ko) |
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| CA (1) | CA2775971C (ko) |
| ES (1) | ES2644820T3 (ko) |
| MX (1) | MX2012005751A (ko) |
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| EP2809771B1 (en) | 2012-01-30 | 2017-12-27 | Myriant Corporation | Production of muconic acid from genetically engineered microorganisms |
| US8950360B2 (en) * | 2012-02-20 | 2015-02-10 | Kent Pet Group, Inc. | Odor-absorbing materials and processes for their preparation and use |
| CN102965297B (zh) * | 2012-06-25 | 2014-03-12 | 黑龙江省科学院微生物研究所 | 一株降解纤维素的大肠埃希氏菌 |
| WO2014025747A1 (en) * | 2012-08-07 | 2014-02-13 | Codexis, Inc. | Glucose and xylose co-utilization in e. coli |
| US20160160245A1 (en) | 2013-07-23 | 2016-06-09 | Myriant Corporation | Method of producing succinic acid and other chemiclas using facilitated diffusion for sugar import |
| US10035749B2 (en) | 2013-09-03 | 2018-07-31 | Myriant Corporation | Process for manufacturing acrylic acid, acrylonitrile and 1,4-butanediol from 1,3-propanediol |
| EP3061828B1 (en) * | 2013-10-23 | 2024-08-28 | Ajinomoto Co., Inc. | Method for producing target substance |
| CN105002105B (zh) * | 2014-04-24 | 2018-09-21 | 中国科学院微生物研究所 | 高生物量和/或高生长速度重组菌及其构建方法与应用 |
| KR20240005196A (ko) | 2016-03-02 | 2024-01-11 | 피티티 글로벌 케미컬 퍼블릭 컴퍼니 리미티드 | 유전자 조작된 미생물로부터 개선된 뮤콘산 생산 |
| JP2017192325A (ja) * | 2016-04-19 | 2017-10-26 | 三菱ケミカル株式会社 | 有機酸の製造方法 |
| EP3645725A1 (en) | 2017-06-30 | 2020-05-06 | PTT Global Chemical Public Company Limited | Microorganism with stabilized copy number of functional dna sequence and associated methods |
| WO2019245985A1 (en) * | 2018-06-18 | 2019-12-26 | S&P Ingredient Development, Llc | Isolation of microbial cell lines for organic acid production |
| CN109825543B (zh) * | 2018-11-24 | 2021-04-30 | 浙江华康药业股份有限公司 | 基于光照调控的木糖母液微生物发酵维生素b12的方法 |
| CN115960808A (zh) * | 2022-11-24 | 2023-04-14 | 苏州聚维元创生物科技有限公司 | 一种敲除基因的重组大肠杆菌及其构建方法 |
| CN115960806A (zh) * | 2022-11-24 | 2023-04-14 | 苏州聚维元创生物科技有限公司 | 一种重组大肠杆菌及其构建方法 |
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- 2010-11-17 CA CA2775971A patent/CA2775971C/en active Active
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- 2010-11-17 KR KR1020167016498A patent/KR101695605B1/ko active Active
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- 2010-11-17 JP JP2012540023A patent/JP5939986B2/ja active Active
- 2010-11-17 WO PCT/US2010/057111 patent/WO2011123154A2/en active Application Filing
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013511276A (ja) | 2013-04-04 |
| EP2501798A2 (en) | 2012-09-26 |
| EP2501798A4 (en) | 2013-04-17 |
| CA2775971A1 (en) | 2011-10-06 |
| US8871489B2 (en) | 2014-10-28 |
| CN102686718B (zh) | 2014-12-24 |
| EP2501798B1 (en) | 2017-09-06 |
| MY158175A (en) | 2016-09-15 |
| AU2010349739B2 (en) | 2014-10-16 |
| CN102686718A (zh) | 2012-09-19 |
| ES2644820T3 (es) | 2017-11-30 |
| KR20120103645A (ko) | 2012-09-19 |
| AU2010349739A1 (en) | 2012-04-26 |
| KR101695605B1 (ko) | 2017-01-11 |
| WO2011123154A2 (en) | 2011-10-06 |
| CA2775971C (en) | 2017-05-02 |
| US20120202259A1 (en) | 2012-08-09 |
| MX2012005751A (es) | 2012-06-19 |
| JP5939986B2 (ja) | 2016-06-29 |
| WO2011123154A3 (en) | 2011-12-15 |
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