C/N‐Dependent Element Bioconversion Efficiency and Antimicrobial Protein Expression in Food Waste Treatment by Black Soldier Fly Larvae

The black soldier fly (BSF), Hermetia illucens, has emerged as a promising species for waste bioconversion and source of antimicrobial proteins (AMPs). However, there is a scarcity of research on the element transformation efficiency and molecular characterization of AMPs derived from waste manageme...

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Main Authors: Dong, X. (Author), Guan, S. (Author), Jin, N. (Author), Liu, Y. (Author), Sun, S. (Author), Tong, H. (Author), Wu, M. (Author), Xu, J. (Author), Xu, W. (Author), Zhang, S. (Author), Zhou, H. (Author)
Format: Article
Language:English
Published: MDPI 2022
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Online Access:View Fulltext in Publisher
LEADER 02589nam a2200349Ia 4500
001 10.3390-ijms23095036
008 220706s2022 CNT 000 0 und d
020 |a 16616596 (ISSN) 
245 1 0 |a C/N‐Dependent Element Bioconversion Efficiency and Antimicrobial Protein Expression in Food Waste Treatment by Black Soldier Fly Larvae 
260 0 |b MDPI  |c 2022 
856 |z View Fulltext in Publisher  |u https://doi.org/10.3390/ijms23095036 
520 3 |a The black soldier fly (BSF), Hermetia illucens, has emerged as a promising species for waste bioconversion and source of antimicrobial proteins (AMPs). However, there is a scarcity of research on the element transformation efficiency and molecular characterization of AMPs derived from waste management. Here, food waste treatment was performed using BSF larvae (BSFL) in a C/N ratio of 21:1–10:1, with a focus on the C/N‐dependent element bioconversion, AMP antimicrobial activity, and transcriptome profiling. The C‐larvae transformation rates were found to be similar among C/Ns (27.0–35.5%, p = 0.109), while the N‐larvae rates were different (p = 0.001), with C/N 21:1–16:1 (63.5–75.0%) being higher than C/N 14:1–10:1 (35.0–45.7%). The C/N ratio did not alter the antimicrobial spectrum of AMPs, but did affect the activities, with C/N 21:1 being significantly lower than C/N 18:1–10:1. The lysozyme genes were found to be significantly more highly expressed than the cecropin, defensin, and attacin genes in the AMP gene family. Out of 51 lysozyme genes, C/N 18:1 and C/N 16:1 up‐regulated (p < 0.05) 14 and 12 genes compared with C/N 21:1, respectively, corresponding to the higher activity of AMPs. Overall, the element bioconversion efficiency and AMP expression can be enhanced through C/N ratio manipulation, and the C/N‐dependent transcriptome regulation is the driving force of the AMP difference. © 2022 by the authors. Licensee MDPI, Basel, Switzerland. 
650 0 4 |a antimicrobial proteins 
650 0 4 |a black soldier fly larvae 
650 0 4 |a C/N ratio 
650 0 4 |a element recycle 
650 0 4 |a food waste 
650 0 4 |a gene family 
650 0 4 |a Hermetia illucens 
650 0 4 |a transcriptome 
700 1 0 |a Dong, X.  |e author 
700 1 0 |a Guan, S.  |e author 
700 1 0 |a Jin, N.  |e author 
700 1 0 |a Liu, Y.  |e author 
700 1 0 |a Sun, S.  |e author 
700 1 0 |a Tong, H.  |e author 
700 1 0 |a Wu, M.  |e author 
700 1 0 |a Xu, J.  |e author 
700 1 0 |a Xu, W.  |e author 
700 1 0 |a Zhang, S.  |e author 
700 1 0 |a Zhou, H.  |e author 
773 |t International Journal of Molecular Sciences