Impact of wet aerobic pretreatments on cellulose accessibility and bacterial communities in rape straw.

Abstract:

:A new pretreatment method of lignocellulosic biomass was explored by using a wet aerobic process with an alkaline lignin and a mineral salt solution. This treatment significantly improved structural modification of rape straw used as substrate model in this study. Change in cellulose accessibility to cellulase of rape straw rose up to six fold within the first days of this pretreatment without generated significant modification of van Soest lignocellulose fractionation. The biological pretreatment apply to rape straw induced a high microbial activity revealed by quantitative PCR and sequencing techniques, suggesting that bacteria including Xanthomonadales and Sphingobacteriales may be involved in this lignocellulosic biomass transformation. Moreover, results of this work demonstrate that the endogenous microbial community associated with rape straw plays a key role in its alteration.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Tian JH,Pourcher AM,Bize A,Wazeri A,Peu P

doi

10.1016/j.biortech.2017.03.142

subject

Has Abstract

pub_date

2017-08-01 00:00:00

pages

31-38

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(17)30423-6

journal_volume

237

pub_type

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