Research Article

Isolation and Screening of Microorganisms for the Effective Pretreatment of Lignocellulosic Agricultural Wastes

Table 1

The preliminary screening results of selected lignin-degrading isolates.

Strain codeOrigin of sample(s)GuaiacolAniline blueCongo red-CMC

BacteriaA1Soil (Shandong University of Technology)+/−++
A3Soil (Shandong University of Technology)+/−++
A5Soil (Shandong University of Technology)++/−++
A6Soil (Shandong University of Technology)+/−+/−++
A7Soil (Shandong University of Technology)+/−++
A8Soil (Shandong University of Technology)+/−++
A9Soil (Shandong University of Technology)+/−++
A10Soil (Shandong University of Technology)+/−+/−++
A11Soil (Shandong University of Technology)+/−+/−+
S2L2Forest soil (Shandong University of Technology)+/−+/−+
S2L3Forest soil (Shandong University of Technology)+/−+/−++
S0G1Forest soil (Shandong University of Technology)++/−++
S0G2Forest soil (Shandong University of Technology)+/−++
S2G2Forest soil (Shandong University of Technology)+/−++
S2G3Forest soil (Shandong University of Technology)++/−++
S1P2Forest soil (Shandong University of Technology)++/−++
M3L1Forest humus (Shandong University of Technology)+/−+/−+
M3L2Forest humus (Shandong University of Technology)+/−+/−+
M3L3Forest humus (Shandong University of Technology)+/−+/−+
M3L4Forest humus (Shandong University of Technology)+/−+/−+
B0G2Decayed wood (Shandong University of Technology)++/−+
C5L2Corn stalks (Lianyungang, Jiangsu Province)++/−+

Basidiomycete FungiYHEdible mushroom-stick (Linyi, Shandong Province)+++++/−
HJEdible mushroom-stick (Linyi, Shandong Province)++++++/−
HPEdible mushroom-stick (Linyi, Shandong Province)++++++/−
RPEdible mushroom-stick (Linyi, Shandong Province)++++++/−
BPEdible mushroom-stick (Linyi, Shandong Province)++++++/−
XBEdible mushroom-stick (Linyi, Shandong Province)+++++/−
XZEdible mushroom-stick (Linyi, Shandong Province)++++++/−

Filamentous fungiB0P1Decayed wood (Shandong University of Technology)+/−+++++
B1P1Decayed wood (Shandong University of Technology)+++++
C0P2Corn stalks (Lianyungang, Jiangsu Province)+/−+++++
C0G2Corn stalks (Lianyungang, Jiangsu Province)+/−+++++
C4P1Corn stalks (Lianyungang, Jiangsu Province)+++++++
C5P1Corn stalks (Lianyungang, Jiangsu Province)+++++++
R0P2Gray rabbit manure (Zibo, Shandong Province)+++++

Note: screening of microbes was performed as described in Materials and Methods. Differential media of guaiacol, aniline blue, and congo red used for screening; Scoring: −: invisible; +/−: positive but barely visible; +: pale to moderately pale color; ++: moderately pale to strong color; +++: moderately strong to intense color.