دورية أكاديمية
أعرض في EDS

Microbiome Diversity of Anaerobic Digesters Is Enhanced by Microaeration and Low Frequency Sound.

التفاصيل البيبلوغرافية
العنوان: Microbiome Diversity of Anaerobic Digesters Is Enhanced by Microaeration and Low Frequency Sound.
المؤلفون: Loughrin JH; United States Department of Agriculture, Agricultural Research Service, Food Animal Environmental Systems Research Unit, 2413 Nashville Road, Suite B5, Bowling Green, KY 42101, USA., Parekh RR; United States Department of Agriculture, Agricultural Research Service, Food Animal Environmental Systems Research Unit, 2413 Nashville Road, Suite B5, Bowling Green, KY 42101, USA., Agga GE; United States Department of Agriculture, Agricultural Research Service, Food Animal Environmental Systems Research Unit, 2413 Nashville Road, Suite B5, Bowling Green, KY 42101, USA., Silva PJ; United States Department of Agriculture, Agricultural Research Service, Food Animal Environmental Systems Research Unit, 2413 Nashville Road, Suite B5, Bowling Green, KY 42101, USA., Sistani KR; United States Department of Agriculture, Agricultural Research Service, Food Animal Environmental Systems Research Unit, 2413 Nashville Road, Suite B5, Bowling Green, KY 42101, USA.
المصدر: Microorganisms [Microorganisms] 2023 Sep 20; Vol. 11 (9). Date of Electronic Publication: 2023 Sep 20.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI AG Country of Publication: Switzerland NLM ID: 101625893 Publication Model: Electronic Cited Medium: Print ISSN: 2076-2607 (Print) Linking ISSN: 20762607 NLM ISO Abbreviation: Microorganisms Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI AG, [2013]-
مستخلص: Biogas is produced by a consortium of bacteria and archaea. We studied how the microbiome of poultry litter digestate was affected by time and treatments that enhanced biogas production. The microbiome was analyzed at six, 23, and 42 weeks of incubation. Starting at week seven, the digesters underwent four treatments: control, microaeration with 6 mL air L -1 digestate per day, treatment with a 1000 Hz sine wave, or treatment with the sound wave and microaeration. Both microaeration and sound enhanced biogas production relative to the control, while their combination was not as effective as microaeration alone. At week six, over 80% of the microbiome of the four digesters was composed of the three phyla Actinobacteria, Proteobacteria, and Firmicutes, with less than 10% Euryarchaeota and Bacteroidetes. At week 23, the digester microbiomes were more diverse with the phyla Spirochaetes, Synergistetes, and Verrucomicrobia increasing in proportion and the abundance of Actinobacteria decreasing. At week 42, Firmicutes, Bacteroidetes, Euryarchaeota, and Actinobacteria were the most dominant phyla, comprising 27.8%, 21.4%, 17.6%, and 12.3% of the microbiome. Other than the relative proportions of Firmicutes being increased and proportions of Bacteroidetes being decreased by the treatments, no systematic shifts in the microbiomes were observed due to treatment. Rather, microbial diversity was enhanced relative to the control. Given that both air and sound treatment increased biogas production, it is likely that they improved poultry litter breakdown to promote microbial growth.
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فهرسة مساهمة: Keywords: anaerobic digestion; biogas; metagenomics; methanogen; microaeration; microbial diversity; microbiome; poultry litter; sound; species richness
تواريخ الأحداث: Date Created: 20230928 Latest Revision: 20231003
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC10535533
DOI: 10.3390/microorganisms11092349
PMID: 37764193
قاعدة البيانات: MEDLINE
الوصف
تدمد:2076-2607
DOI:10.3390/microorganisms11092349