中国环境科学
中國環境科學
중국배경과학
CHINA ENVIRONMENTAL SCIENCE
2010年
4期
544-547
,共4页
张翼%凌婉婷%陈冬升%龚帅帅%高彦征
張翼%凌婉婷%陳鼕升%龔帥帥%高彥徵
장익%릉완정%진동승%공수수%고언정
蒽%黑麦草%植物代谢%传输
蒽%黑麥草%植物代謝%傳輸
은%흑맥초%식물대사%전수
anthracene%ryegrass%plant metabolism%translocation
以黑麦草(Lolium multiflorum Lam.)为供试植物,采用水培试验方法,研究了植物对蒽的代谢作用,并分析了其代谢产物.结果表明,经蒽培养液处理96h并转入无蒽培养液培养后0~16d,黑麦草体内蒽的含量由0.760mg/kg降为0.147mg/kg,减少80.6%,主要为植物所代谢;根部是代谢蒽的主要部位;蒽的一级代谢产物为蒽醌和蒽酮,0~16d,蒽酮在黑麦草体内总体上呈积累态势,而蒽醌则会被进一步代谢,蒽醌和蒽酮可以由根系向培养液中释放,也可由根向茎叶传输;黑麦草对蒽酮和蒽醌的传输系数(TF)分别为0.796~1.285和0.239~0.653,蒽酮更易在黑麦草体内传输.
以黑麥草(Lolium multiflorum Lam.)為供試植物,採用水培試驗方法,研究瞭植物對蒽的代謝作用,併分析瞭其代謝產物.結果錶明,經蒽培養液處理96h併轉入無蒽培養液培養後0~16d,黑麥草體內蒽的含量由0.760mg/kg降為0.147mg/kg,減少80.6%,主要為植物所代謝;根部是代謝蒽的主要部位;蒽的一級代謝產物為蒽醌和蒽酮,0~16d,蒽酮在黑麥草體內總體上呈積纍態勢,而蒽醌則會被進一步代謝,蒽醌和蒽酮可以由根繫嚮培養液中釋放,也可由根嚮莖葉傳輸;黑麥草對蒽酮和蒽醌的傳輸繫數(TF)分彆為0.796~1.285和0.239~0.653,蒽酮更易在黑麥草體內傳輸.
이흑맥초(Lolium multiflorum Lam.)위공시식물,채용수배시험방법,연구료식물대은적대사작용,병분석료기대사산물.결과표명,경은배양액처리96h병전입무은배양액배양후0~16d,흑맥초체내은적함량유0.760mg/kg강위0.147mg/kg,감소80.6%,주요위식물소대사;근부시대사은적주요부위;은적일급대사산물위은곤화은동,0~16d,은동재흑맥초체내총체상정적루태세,이은곤칙회피진일보대사,은곤화은동가이유근계향배양액중석방,야가유근향경협전수;흑맥초대은동화은곤적전수계수(TF)분별위0.796~1.285화0.239~0.653,은동경역재흑맥초체내전수.
Metabolism of anthracene by ryegrass(Lolium multiflorum Lam.)was studied using a greenhouse experiment.Anthraqinone and anthrone as the first-grade metabolic products of anthracene was analysed.Concentrations of anthracene in ryegrass decreased from 0.760mg/kg to 0.147mg/kg,and 80.6%of anthracene was degrdaded in 0~16d.Anthracene was proven to be metabolized by ryegrass,and root was the main position where the metabolism performed.And anthrone was found to accumulate in the plant,while anthraqinone was further metabolized in plant bodies.The release of anthraqinone and anthrone from plant root to cultivation solution was detected.Translocation of anthraqinone and anthrone from plant root to shoot was observed,and translocation factor(TF)values of anthrone and anthraqinone were 0.796~1.285 and 0.239~0.653,indicating the more easier translocation of anthrone than anthraqinone in ryegrass.