The succession of fungal community,trophic mode and metabolic characteristics were evaluated in 60 days composting of swine manure by high-throughput sequencing,FUNGuild and Biolog method,respectively.The result showe...The succession of fungal community,trophic mode and metabolic characteristics were evaluated in 60 days composting of swine manure by high-throughput sequencing,FUNGuild and Biolog method,respectively.The result showed that the ftingal community diversity reached to the highest level(76 OTUs)in the thermophilic phase of composting,then sustained decline to 15 OTUs after incubation.There were 10 fungal function groups in the raw swine manure.Pathotroph-saprotroph fungi reached to 15.91%on Day-10but disappeared on Day-60.Dung saprotroph-undefined saprotroph fungi grown from 0.19%to 52.39%during the treatment.The ftmgal community had more functional groups but the lower substrate degradation rates in the thermophilic phase.The fungal communities on Day-0 and Day-60 had the highest degradation rates of amino acids and polymers,respectively.Redundancy analysis showed that ORP(49.6%),VS/Ash(45.3%)and moisture(39.2%)were the main influence factors on the succession of fungal community in the swine manure composting process.展开更多
The cryptic lifestyle of most fungi necessitates molecular identification of the guild in environmental studies.Over the past decades,rapid development and affordability of molecular tools have tremendously improved i...The cryptic lifestyle of most fungi necessitates molecular identification of the guild in environmental studies.Over the past decades,rapid development and affordability of molecular tools have tremendously improved insights of the fungal diversity in all ecosystems and habitats.Yet,in spite of the progress of molecular methods,knowledge about functional properties of the fungal taxa is vague and interpretation of environmental studies in an ecologically meaningful manner remains challenging.In order to facilitate functional assignments and ecological interpretation of environmental studies we introduce a user friendly traits and character database FungalTraits operating at genus and species hypothesis levels.Combining the information from previous efforts such as FUNGuild and FunFun together with involvement of expert knowledge,we reannotated 10,210 and 151 fungal and Stramenopila genera,respectively.This resulted in a stand-alone spreadsheet dataset covering 17 lifestyle related traits of fungal and Stramenopila genera,designed for rapid functional assignments of environmental stud-ies.In order to assign the trait states to fungal species hypotheses,the scientific community of experts manually categorised and assigned available trait information to 697,413 fungal ITS sequences.On the basis of those sequences we were able to summarise trait and host information into 92,623 fungal species hypotheses at 1%dissimilarity threshold.展开更多
基金This research was financially supported by the National Natural Science Foundation of China(Nos.51778180 and 51761145031)Fundamental Research Funds for the Central Universities(HIT.NSRIF.2017057)+1 种基金Postdoctoral Science Special Foundation of Heilongjiang(LBH-TZ0510)Heilongjiang Postdoctoral Funds for scientific research initiation(LBH-Q16110).
文摘The succession of fungal community,trophic mode and metabolic characteristics were evaluated in 60 days composting of swine manure by high-throughput sequencing,FUNGuild and Biolog method,respectively.The result showed that the ftingal community diversity reached to the highest level(76 OTUs)in the thermophilic phase of composting,then sustained decline to 15 OTUs after incubation.There were 10 fungal function groups in the raw swine manure.Pathotroph-saprotroph fungi reached to 15.91%on Day-10but disappeared on Day-60.Dung saprotroph-undefined saprotroph fungi grown from 0.19%to 52.39%during the treatment.The ftmgal community had more functional groups but the lower substrate degradation rates in the thermophilic phase.The fungal communities on Day-0 and Day-60 had the highest degradation rates of amino acids and polymers,respectively.Redundancy analysis showed that ORP(49.6%),VS/Ash(45.3%)and moisture(39.2%)were the main influence factors on the succession of fungal community in the swine manure composting process.
基金Estonian Science Foundation grants PSG136,PRG632,PUT1170the University of Tartu(PLTOM20903)the European Regional Development Fund(Centre of Excellence EcolChange).
文摘The cryptic lifestyle of most fungi necessitates molecular identification of the guild in environmental studies.Over the past decades,rapid development and affordability of molecular tools have tremendously improved insights of the fungal diversity in all ecosystems and habitats.Yet,in spite of the progress of molecular methods,knowledge about functional properties of the fungal taxa is vague and interpretation of environmental studies in an ecologically meaningful manner remains challenging.In order to facilitate functional assignments and ecological interpretation of environmental studies we introduce a user friendly traits and character database FungalTraits operating at genus and species hypothesis levels.Combining the information from previous efforts such as FUNGuild and FunFun together with involvement of expert knowledge,we reannotated 10,210 and 151 fungal and Stramenopila genera,respectively.This resulted in a stand-alone spreadsheet dataset covering 17 lifestyle related traits of fungal and Stramenopila genera,designed for rapid functional assignments of environmental stud-ies.In order to assign the trait states to fungal species hypotheses,the scientific community of experts manually categorised and assigned available trait information to 697,413 fungal ITS sequences.On the basis of those sequences we were able to summarise trait and host information into 92,623 fungal species hypotheses at 1%dissimilarity threshold.