溶藻細菌和溶藻粘細菌的分離及溶藻效果研究.pdf

1、華中師范大學碩士學位論文溶藻細菌和溶藻粘細菌的分離及溶藻效果研究姓名：王君潔申請學位級別：碩士專業(yè)：水生生物學指導教師：趙以軍20070501⑧碩士學位論丈MASlERSTHESISAbstractTheincidenceofharmfulalgalblooms(HABs)hasrecentlyincreasedinfrequencyasalongtermtrendonaglobalscaleTheformationofharmfula

2、lgalbloomshasaffectedthehealthdevelopmentofaquaticecosystemItisalsoharmforagficulmre，watersupplyandtourMicrocystisaeruginosabloomsisfbremostA19icidalbacteriaisnOWthoughtthatthosebacteriummayterminateharmfulalgalbloomsand

3、regulatealgalpopulationdynamicsMorethantwentyalgae—lysingbacteriumwereisolatedfromEastlakeofWuhanCitywhichhadhappenedHABsbeforeThestabilityexperimentsweredoneofthembycontinuedcultureAnefficientandsteadyalgaelysingbacteri

4、awasscreenedoutcalledM4ThesequenceofM416SrDNAisassayedandidentitledTherusltisthatM4belongstoAlcaligenesTheexperimentalresultindicatedthat，thebacteriumisolatedpresentedhighlyalgae—lysingeffectonMicrocystisaeruginosaItcoul

5、dsignificantlyinhibitthegrowthofMaeruginosawhentheinoculationconcentrationis38105CFU／mLTheconcentrationisrelativelylowcompariedwithotherreportedalgaeqysingbacteriumThesoilwascollectedfromdifferentareasofWuhaaaAnalgae—lys

6、ingmyxobacteriawasisolatedfromthesoilnamedMYlThemyxobacteriaisolatedpresentedbetteralgae—lysingeffectonMicrocystisaeruginosa7820thanMicrocystisaeruginosa7806，MicrocystisaeruginosaDSPlectonemdboryanumandwildingMierocystis