4株淡水微藻的适宜温度光照强度及其细胞组成

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1674-5566201406-0856-074、2014-04-012014-06-05SHME2011SW0220132-11989—。E-mailzeng.beibei@aliyun.comE-mailxxhuang@shou.edu.cn1123111.2013062.2013063.2013064Golenkiniasp.SHOU-F56Chlorococcumsp.SHOU-F93Selenastrumsp.SHOU-F119Chlorococcumsp.SHOU-F1244。SHOU-F93SHOU-F12429.5、19.3、21.524.3℃35.5、8.3、22.519.2μmol/m2·s。SHOU-F933.26%20.90%SHOU-F9332.64%33.91%23.74%。416∶0、18∶1n-9、18∶2n-618∶3n-3。4。。。4Selenastrumsp.SHOU-F119Chlorococcumsp.SHOU-F93。S963.21A、、、、1-2。。ChlorococcalesChlorococcum3-4BHAGAVATHY5C.humicolaSelenastrumsp.6-8Golenkiniasp.。4Golenkiniasp.SHOU-F56Chlorococcumsp.SHOU-F93Selenastrumsp.SHOU-F119Chlorococcumsp.SHOU-F1244。11.14、Golenkiniasp.SHOU-F56Chlorococcumsp.SHOU-F93Selenastrumsp.SHOU-F119Chlorococcumsp.SHOU-F124。f/2964、。1.24。f/21000mL。24L∶0D14d3。SHOU-F9310、15、20、2530℃5SHOU-F56、SHOU-F119SHOU-F12415、20、25、3035℃5420μmol/m2·s。5SHOU-F5610、30、50、7090μmol/m2·sSHOU-F93、SHOU-F119SHOU-F1244、12、20、2836μmol/m2·s5。3。1.3。SHOU-F56SHOU-F93、SHOU-F119、SHOU-F124μ=lnNt-N0/t1N0Nttt。100mL0.45μm、。10、、。1.5mL45℃30min11-12。-13。-14。-46℃。V∶V=2∶115。0.5mol/L--1∶1V/VAgilent7890A/5975C-SupelcoOmegawax32030.0m×0.32mm×0.25μm。Sigma16。1.41710%18-20。、。±PASWStatistics18.0DuncanP<0.05。22.141a14dSHOU-F5615℃25℃0.18±0.01、0.22±0.010.24±0.00g/L3035℃P<0.050.27±0.00g/L0.26±0.01g/Ly=-0.0003x2+0.0177x+0.0290R2=0.976929.5℃20.7~38.3℃。SHOU-F931b20℃0.18±0.0015、2530℃0.15±0.00、0.15±0.010.14±0.0010℃0.12±0.00。SHOU-F92y=-0.0004x2+0.0154x+0.0034R2=0.833419.3℃13.1~25.4℃。SHOU-F11915℃25℃1c25℃0.21±0.00。25℃SHOU-F11930℃35℃0.17±0.000.16±0.00。75823y=-0.0003x2+0.0129x+0.0647R2=0.8036。21.5℃13.3~29.7℃。1dSHOU-F12420℃25℃0.21±0.000.20±0.0030℃35℃0.17±0.000.16±0.0015℃0.12±0.00。SHOU-F124y=-0.0010x2+0.0485x-0.3556R2=0.9339。24.3℃19.4~29.0℃。14Fig.1Effectsofdifferenttemperaturesonthegrowthofthefourmicroalgae2.24SHOU-F562a10μmol/m2·s30μmol/m2·s0.19±0.000.31±0.01g/L。50μmol/m2·s0.35±0.02g/LP<0.05。70μmol/m2·s90μmol/m2·s0.33±0.01g/L。SHOU-F56y=-0.0001x2+0.0071x+0.1297R2=0.9483。35.5μmol/m2·s19.5~51.5μmol/m2·s。SHOU-F93412μmol/m2·s2b12μmol/m2·s0.11±0.0020μmol/m2·sSHOU-F92。y=-0.0002x2+0.0033x+0.0902R2=0.9807。8.3μmol/m2·s8.0~15.5μmol/m2·s。2c20μmol/m2·s36μmol/m2·sSHOU-F11920μmol/m2·s0.16±0.00。28μmol/m2·s36μmol/m2·s0.14±0.00。12μmol/m2·s0.10±0.004μmol/m2·s。SHOU-F119y=-0.0002x2+0.0090x+0.0328R2=0.9023。22.585864、μmol/m2·s14.3~30.7μmol/m2·s。SHOU-F12420μmol/m2·s0.17±0.00。12、2836μmol/m2·s0.12±0.00、0.12±0.000.11±0.01。4μmol/m2·s。SHOU-F124y=-0.0003x2+0.0115x+0.0277R2=0.7780。19.2μmol/m2·s12.4~25.9μmol/m2·s。24Fig.2Effectsofdifferentlightintensityonthegrowthofthefourmicroalgae2.344101SHOU-F933.26%20.90%SHOU-F92SHOU-F119SHOU-F11923.74%。42。4C1631.46%~39.46%C1860.84%~66.87%16∶0、18∶1n-9、18∶2n-618∶3n-3SHOU-F9316∶2n-618∶1n-9SHOU-F12416∶4n-3。3、。。21Cholorellapyrenoidosa。SHOU-F5695823SHOU-F93SHOU-F119SHOU-F124SHOU-F119。ZHANG3Chlorococcumsp.30℃22SHOU-F328.4~30.4℃。SHOU-F9319.3℃SHOU-F12424.3℃。14Tab.1Biochemicalcompositionsofthefourmicroalgae%-a-bSHOU-F561.35±0.06c0.42±0.02b0.53±0.01b20.32±0.16c24.94±1.52b12.73±0.41dSHOU-F932.00±0.05a0.62±0.08a0.64±0.01a30.90±0.94a32.64±1.29a14.63±0.34cSHOU-F1191.91±0.03a0.10±0.02c0.62±0.00a15.24±1.10d33.91±0.84a23.74±1.35aSHOU-F1241.64±0.10b0.42±0.01b0.51±0.02b25.96±0.20b12.59±0.25c17.72±0.38bP<0.05。2Tab.2Fattyacidprofilesofthefourmicroalgae%SHOU-F56SHOU-F93SHOU-F119SHOU-F12416020.62±0.25a16.63±0.12c17.40±0.22b20.40±0.54a161n-71.65±0.06b1.10±0.17c1.86±0.33a1.69±0.09ab161n-90.80±0.05b0.58±0.10c1.86±0.01a1.86±0.08a162n-69.84±0.16b11.33±0.26a0.97±0.03c0.87±0.01c163n-34.76±0.18b9.46±0.33a-1.15±0.11c163n-6---0.62±0.04164n-31.50±0.05c-7.78±0.25b10.48±0.19a∑1639.16±0.21a39.10±0.21a31.46±0.44c37.08±0.87b1801.38±0.02b1.11±0.24c0.62±0.06d3.78±0.04a181n-911.91±0.36c4.41±0.41d23.00±0.24a18.22±0.16b182n-636.62±0.56a34.62±0.19b13.10±0.14c9.48±0.23d183n-310.93±0.13c20.76±0.28b19.88±0.12b24.44±0.87a183n-6--2.07±0.061.56±0.07184n-3--8.18±0.084.46±0.09∑1860.84±0.21c60.90±0.21c66.87±0.27a61.94±0.86b220--0.72±0.040.98±0.04240--0.96±0.12-∑SFA22.00±0.23b17.75±0.33d19.70±0.14c25.16±0.50a∑MUFA14.35±0.39c6.09±0.67a26.73±0.25d21.77±0.06b∑PUFA63.65±0.56b76.17±0.99a53.57±0.17c53.07±0.48c-∑SFA∑MUFA∑PUFA。P<0.05。。23。4。4。SHOU-F9320μmol/m2·s0.08。photosyntheticunitslight-harvestingcomplexes24。SHOU-F9206864、。SHOU-F92。、、、、。4SHOU-F9230.90%。25234.49%22.02%2654.21%~25.29%27823.5%~42.3%。412%~23.74%SHOU-F11923.74%。10SHOU-F112.53%。C16C1828ZHUKOVAAIZDAICHEK2920C。4。SHOU-F56SHOU-F9318∶2n-636.62%34.62%。SHOU-F56318∶3n-319.88%~24.44%。18∶3n-318∶2n-69SHOU-F93。1CHISTIY.BiodieselfrommicroalgaeJ.BiotechnologyAdvances2007253294-306.2SUNNWANGYLIYTetal.Sugar-basedgrowthstaxanthinaccumulationandcarotenogenictranscriptionofheterotrophicChlorellazofingiensisChlorophytaJ.ProcessBiochemistry2008431288-1292.3ZHANGDHLEEYKPHANGSM.CompositionandaccumulationofsecondarycarotenoidsinChlorococcumsp.J.JournalofAppliedPhycology19979147-155.4YUANJPCHENFLIUXetal.CarotenoidcompositioninthegreenmicroalgaChlorococcumJ.FoodChemistry2002763319-325.5BHAGAVATHYSSUMATHIPJANCYSBIetal.GreenalgaeChlorococcumhumicola-anewsourceofbioactivecompoundswithantimicrobialac

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