White Rot Fungi Math
1 introduction the mathematical modeling of the kinetics of white rot fungi growth plays a crucial role for the design and scale up of solid state fermentation processes using macromycetes.
White rot fungi math. Model studies based on the use of ddt suggest that the ability of phanerochaete chrysosporium to metabolize these compounds is dependent on the extracellular lignin degrading enzyme system of. Scanning and transmission electron microscopy were used to identify the micromorphological and. Aerobic treatment of handmade paper industrial effluents. Sánchez and l.
Some of them break down both lignin and cellulose. In fact brown rot actually evolved from early white rot fungi. White rot fungi lignocellulolytic enzymes degradation of ligno cellulosic materials lignocellulosic biomass mathematical modeling. As a result the wood changes texture becoming moist soft spongy or stringy.
As the brown rot species evolved they actually lost genes that code for lignin destroying enzymes. The open biotechnology journal 9 1 93 99. There are other fungi capable of digesting lignocellulose such as brown rot fungi but they do not produce the same ligninolytic enzymes and tend to concentrate their activities on the cellulose component. Factors governing degradation of phenol in pharmaceutical wastewater by white rot fungi.
White rot fungi are so called because the degradation process results in a bleaching of the wood substrate it s the. The white rot fungi cerrena unicolor ganoderma applanatum g. Photo courtesy of carla wick. White rot fungi break down the lignin in wood leaving the lighter colored cellulose behind.
White rot fungi are basidiomycetes that are capable of degrading the lignin component of lignocellulose substrates see lignin structure for a short explanation. White rot fungi can tolerate a broad range of environmental conditions involving nutrients ph and moisture content and more importantly they can use lignocellulose for growth making them suitable for inoculation into contaminated soils. In addition white rot fungi can exert a positive effect on the growth of other autochthonous microorganisms improving the porosity and water holding capacities of soil and making the total degradation of recalcitrant pollutants easier. Large areas of decayed wood were selectively delignified and a typical white rot causing a simultaneous removal of all cell wall components was present.
The fungus schizophyllum commune is one modern example of a white rot fungus. Tsugae ischnoderma resinosum andperenniporia medullapanis caused two distinct types of decay.