Tohoku University · 환경과학
메이팡 천 교수의 연구실은 생물정화 기술을 핵심으로 하여 오염물질 제거를 위한 미생물 및 식물 기반의 지속 가능한 솔루션을 개발하고 있습니다. 특히 중금속(카드뮴, 아연, 비소, 수은 등)과 석유 오염물질의 생물학적 제거 메커니즘을 밝히고, 이를 위한 유전자 및 단백질 수준의 분자 기반 연구를 수행하고 있습니다. 또한 희토류 금속 회수를 위한 유전자 공학적 효모 시스템 개발을 통해 환경 영향을 최소화한 자원 회수 기술도 개발하고 있습니다.
표시된 성과는 수집된 데이터 기준으로 산출되며, 일부 차이가 있을 수 있습니다.
Bioremediation is one of the promising environment-friendly approaches to eliminate oil contamination. However, heavy oil is known to degrade slowly due to its hydrophobicity. Therefore, microorganisms capable of producing biosurfactants are gaining substantial interest because of their potential to alter hydrocarbon properties and thereby speed up the degradation process. In this study, six bacterial consortia were obtained from the oil-spilled beach areas in Miyagi, Japan, and all of which exh
Cadmium (Cd), which is present in zinc (Zn) ore, is a toxic metal and causes contamination globally. Phytoremediation is a promising technology for the remediation of sites with low and moderate contamination. Temperature is an important factor in phytoremediation because it has an impact on both plant biomass and the accumulation of heavy metals. However, little is known about the influence of temperature on heavy metal accumulation by the Cd and Zn hyperaccumulator <i>Arabidopsis halleri</i> s
Using plants as bioremediation agents are rising worldwide as an environmentally friendly tool to remove contaminants such as heavy metals. Arabidopsis halleri ssp. gemmifera is able to hyperaccumulate Cd/Zn, however, the commonality between Cd/Zn accumulation pathways are still vague. This study focused on HMA4 and IRT3 as indicators and investigated their transcription in A. halleri ssp. gemmifera under Cd/Zn treatments. In addition to the known Cd/Zn xylem loading functions in roots, HMA4 sho
A novel Tn<i>MERI</i>1-like transposon designated as Tn<i>MARS</i>1 was identified from mercury resistant <i>Bacilli</i> isolated from Minamata Bay sediment. Two adjacent <i>ars</i> operon-like gene clusters, <i>ars1</i> and <i>ars2</i>, flanked by a pair of 78-bp inverted repeat sequences, which resulted in a 13.8-kbp transposon-like fragment, were found to be sandwiched between two transposable genes of the Tn<i>MERI</i>1-like transposon of a mercury resistant bacterium, <i>Bacillus</i> sp. MB
Arsenic (As) hyperaccumulator <i>Pteris</i> ferns are renowned for their capacity to accumulate As and have been used to remediate As-contaminated environmental. However, there is less information on how they perform under low temperature though it is important for practical phytoremediation. The purpose of this study was to identify the effect of temperature on As accumulation by three As hyperaccumulators, <i>Pteris multifida</i>, <i>Pteris cretica</i> and <i>Pteris vittata</i>. Ferns were cul
