﻿FN Clarivate Analytics Web of Science
VR 1.0
PT J
AU Araya, B
   Diaz, C
   San Martín, J
   Vergara-Fernández, A
   Aroca, G
   Scott, F
AF Araya, Blanca
   Diaz, Camilo
   San Martin, Jessica
   Vergara-Fernandez, Alberto
   Aroca, German
   Scott, Felipe
TI Biodegradation of 2,5-dimethylpyrazine in gas and liquid phase by the
   fungus Fusarium solani
SO JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
LA English
DT Article
DE pyrazine; 2; 5-dimethylpyrazine; biofiltration; Fusarium solani; fungi
   biofiltration
ID RHODOCOCCUS-ERYTHROPOLIS; PYRAZINE COMPOUNDS; AROMA COMPOUNDS; REMOVAL;
   TOLUENE; AIR; FORMALDEHYDE; DEGRADATION; METABOLISM; CONSORTIUM
AB BACKGROUND Alkylpyrazines are odorous compounds conferring pleasant aromas to baked and roasted foods. However, they are also emitted during food processing, creating a nuisance for the operators and the community. Only a few bacterial isolates have been shown to degrade 2,5-methylpyrazine (DMP), as a model alkylpyrazine. This work aimed to study the ability of DMP biodegradation by the filamentous fungus Fusarium solani. RESULTS Evidence of the degradation of DMP was collected in axenic cultures of F. solani in liquid mineral medium and over a saturated solid support using DMP as the sole carbon and energy source. DMP was used for growth as evidenced by the formation of an abundant aerial mycelium over a solid support, accompanied by the production of 70 ppm CO2 mg(-1) dry biomass, and by its consumption in liquid media at a rate of 58.3 mg g(-1) biomass h(-1), a value comparable to those reported for bacteria. A non-axenic biofilter was mounted, fed with a DMP-laden air stream, and operated for 40 days. The maximum DMP elimination capacity achieved was 8.5 g m(-3) h(-1) at an inlet load of 11.3 g m(-3) h(-1) (an 80% relative efficiency). CONCLUSION Fusarium solani uses DMP as a carbon source, showing great potential for its abatement in a biofilter. High-throughput DNA sequencing of biofilter samples showed that it was the most representative member of the community, with a relative abundance surpassing 97%, indicating that it played a pivotal role in the biofilter. (c) 2021 Society of Chemical Industry (SCI).
C1 [Araya, Blanca; San Martin, Jessica; Vergara-Fernandez, Alberto; Scott, Felipe] Univ Los Andes, Green Technol Res Grp, Fac Ingn & Ciencias Aplicadas, Santiago, Colombia.
   [Diaz, Camilo] Univ Chile, Dept Bioquim & Biol Mol, Santiago, Chile.
   [San Martin, Jessica] Univ Valladolid, Dept Ingn Quim & Tecnol Medio Ambiente, Valladolid, Spain.
   [Aroca, German] Pontificia Univ Catolica Valparaiso, Escuela Ingn Bioquim, Fac Ingn, Valparaiso, Chile.
C3 Universidad de los Andes (Colombia); Universidad de Chile; Universidad
   de Valladolid; Pontificia Universidad Catolica de Valparaiso
RP Scott, F (corresponding author), Univ Los Andes, Green Technol Res Grp, Fac Ingn & Ciencias Aplicadas, Santiago, Colombia.
EM fscott@miuandes.cl
RI Scott, Felipe/K-4193-2016; Aroca, German/ABG-6714-2020; Aroca,
   German/B-3798-2011; Vergara-Fernández, Alberto/D-1770-2011
OI Scott, Felipe/0000-0003-2041-4641; Aroca, German/0000-0003-1376-7940;
   Araya, Blanca/0000-0003-1268-7906
FU CONICYT grant Fondecyt [1181040]; Fondecyt [1190521, 1211569]
FX The authors acknowledge CONICYT grant Fondecyt No. 1181040, Fondecyt No.
   1190521 and Fondecyt No. 1211569.
NR 39
TC 3
Z9 3
U1 1
U2 16
PU WILEY
PI HOBOKEN
PA 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
SN 0268-2575
EI 1097-4660
J9 J CHEM TECHNOL BIOT
JI J. Chem. Technol. Biotechnol.
PD JUN
PY 2022
VL 97
IS 6
SI SI
BP 1408
EP 1415
DI 10.1002/jctb.6903
EA SEP 2021
PG 8
WC Biotechnology & Applied Microbiology; Chemistry, Multidisciplinary;
   Engineering, Environmental; Engineering, Chemical
WE Science Citation Index Expanded (SCI-EXPANDED)
SC Biotechnology & Applied Microbiology; Chemistry; Engineering
GA 1H5AT
UT WOS:000698714600001
DA 2025-09-06
ER

EF