PS2菌株是从虾塘富集、分离、筛选出的一株光合菌，具有高效净化养殖水质的作用。
Nonsulfuric purple bacteria PS2 is a strain isolated from sediment of shrimp aquaculture ponds.
EM是有益微生物菌群的英文缩写，它主要含有五大菌群：光合菌群、乳酸菌群、酵母菌群、放线菌群、醋酸杆菌。
EM (Effective microbes) consists of 5 colonies: photosynthetic microbes , lactic acid microbes, yeast microbes, ray fungus microbes, acetic acid bacilli.
铁氧化还原蛋白：绿色植物和某些抗生菌提供的一种含铁蛋白，在生化过程的电子传送反应中起作用，如光合作用。
Ferredoxin: an iron-containing protein present in green plants and certain anaerobic bacteria that functions in electron transport reactions in biochemical processes such as photosynthesis.
从污泥中分离得到光合细菌球形红假单胞菌P_4株。
Strain P_4 of photosynthetic bacterium Rhodopseudomonas sphaeroides was separated from sludge.
在固定化菌净化养殖水的研究中发现，固定化光合细菌对养殖水的净化能力大大优于悬浮态菌。
The results revealed that the immobilized PSB has much more superiority to purify aquaculture water than the suspended free ones.
研究者说这些早期的冒险者可能在海边的沙质滩涂地来回搜寻那些布满早期地球的光合细菌的菌褥。
These early pioneers may have explored sandy tidal flats to graze on the MATS of photosynthetic microbes that literally covered early Earth, the researchers say.
根据其抑菌蛋白的性质，初步判断紫色非硫光合细菌在对数期产生的拮抗物质为细菌素，可归为小分子热稳定肽类。
According to their characteristics, the antagonistic substances produced by PNB in exponential phase were bacteriocin and they had been classified into small heat-stable peptide (SHSP).
根据其抑菌蛋白的性质，初步判断紫色非硫光合细菌在对数期产生的拮抗物质为细菌素，可归为小分子热稳定肽类。
According to their characteristics, the antagonistic substances produced by PNB in exponential phase were bacteriocin and they had been classified into small heat-stable peptide (SHSP).
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