6 Wood Discoloration

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92 4 <strong>Wood</strong> Cell Wall Degradation Fig.4.1. Scheme of the association of cellulose (C), hemicelluloses (H) and lignin (L) within the woody cell wall Table 4.3. Lignified cell wall as carbon source for microorganisms Organism group Degradation of Degradation hemicellulose cellulose lignin of isolated within the components cell wall bacteria + + − + −a yeasts − − − molds + + − + − blue-stain fungi + − − + − soft-rot fungi + + − + + brown-rot fungi + + − −(+) + white-rot fungi + + + + + a cf. Chap. 5.2 summarizes the behavior of the different groups of organisms against the nutritive “lignified cell wall”. It is differentiated if the cell wall component is degraded within the native woody substrate or only as sole nutritive after isolation from the wood. Within the bacteria, yeasts, and molds, only a few species are able to degrade isolated cell wall components. 4.2 Pectin Degradation Pectins comprise galacturans, galactans and arabinans as complex, branched polysaccharides of molecular weights of about 10 3 kDa. Galacturans are predominantly deposited in the middle lamella/primary wall (compound middle lamella) and in the tori of bordered pit membranes (Fengel and Wegener 1989). The content of galacturans in the wood is below 1%. They consist predominantly of α-1,4-linked galacturonic acid units and are split by hydrolases to www.taq.ir
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Olaf Schmidt Wood and Tree Fungi Bi
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Professor Dr. Olaf Schmidt Universi
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Preface This book is the updated re
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X Contents 5 Damages by Viruses and
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1 Introduction Wood is damaged by v
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2 Biology 2.1 Cytology and Morpholo
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2.1 Cytology and Morphology 5 10 nm
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2.1 Cytology and Morphology 7 The h
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2.1 Cytology and Morphology 9 Due t
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2.2 Growth and Spreading 11 velopme
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2.2 Growth and Spreading 13 Fig.2.6
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2.2 Growth and Spreading 21 shapedp
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2.2 Growth and Spreading 23 surface
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2.2 Growth and Spreading 25 and Ish
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2.3 Sexuality 27 the basidiospores
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2.3 Sexuality 29 Table 2.6. Pairing
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2.4 Identification 31 In addition t
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2.4 Identification 33 2.4.2 Molecul
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2.4 Identification 35 antibodies. A
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2.4 Identification 37 RAPD analysis
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2.4 Identification 39 in view of a
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2.4 Identification 41 Sequences of
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2.4 Identification 43 basidiomycete
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2.4 Identification 45 cleotide unit
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2.5 Classification 47 Fatty acid pr
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2.5 Classification 49 with about 12
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2.5 Classification 51 Table 2.12. C
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3 Physiology The wood-inhabiting fu
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3.1 Nutrients 55 conditions in the
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3.1 Nutrients 57 Al, S, and Zn were
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3.2 Air 59 Table 3.4. Energy produc
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3.3 Wood Moisture Content 61 surviv
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3.3 Wood Moisture Content 63 Table
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Page 150: 3.4 Temperature 67 puteana, Gloeoph
Page 154: 3.4 Temperature 69 mycelial growth.
Page 158: 3.5 pH Value and Acid Production by
Page 162: 3.5 pH Value and Acid Production by
Page 166: 3.6 Light and Force of Gravity 75 s
Page 170: 3.7 Restrictions of Physiological D
Page 174: 3.8 Competition and Interactions Be
Page 190: 88 4 Wood Cell Wall Degradation rel
Page 194: 90 4 Wood Cell Wall Degradation cel
Page 200: 4.3 Degradation of Hemicelluloses 9
Page 204: 4.4 Cellulose Degradation 95 4.4 Ce
Page 208: 4.4 Cellulose Degradation 97 metabo
Page 212: 4.5 Lignin Degradation 99 The acces
Page 216: 4.5 Lignin Degradation 101 vary als
Page 220: 4.5 Lignin Degradation 103 (porphyr
Page 224: 4.5 Lignin Degradation 105 genes en
Page 228: 4.5 Lignin Degradation 107 that oxi
Page 232: 110 5 Damages by Viruses and Bacter
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118 5 Damages by Viruses and Bacter
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120 6 Wood Discoloration The wood-d
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122 6 Wood Discoloration Fig.6.2. M
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124 6 Wood Discoloration bark. Pulp
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126 6 Wood Discoloration Fig.6.3. B
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128 6 Wood Discoloration window con
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130 6 Wood Discoloration Fig.6.4. R
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132 6 Wood Discoloration is perform
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7 Wood Rot There are three types of
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7.1 Brown Rot 137 et al. 2004), and
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7.2 White Rot 139 tarius, T. versic
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7.2 White Rot 141 Fig.7.3. Manganes
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7.3 Soft Rot 143 Fig.7.4. Soft rot.
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7.3 Soft Rot 145 Further infection
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7.4 Protection 147 (Willeitner and
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7.4 Protection 149 preservatives. I
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7.4 Protection 151 ing efficacy and
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7.4 Protection 153 fungicides and p
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7.4 Protection 155 Table 7.9 shows
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7.4 Protection 157 unpleasant smell
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7.4 Protection 159 is a mixture of
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162 8 Habitat of Wood Fungi tophtho
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164 8 Habitat of Wood Fungi Table 8
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166 8 Habitat of Wood Fungi Fig.8.2
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168 8 Habitat of Wood Fungi cut sec
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170 8 Habitat of Wood Fungi ins; e.
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172 8 Habitat of Wood Fungi through
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174 8 Habitat of Wood Fungi After w
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178 8 Habitat of Wood Fungi for bra
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182 8 Habitat of Wood Fungi The typ
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184 8 Habitat of Wood Fungi by Armi
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186 8 Habitat of Wood Fungi schwein
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188 8 Habitat of Wood Fungi Fruit b
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190 8 Habitat of Wood Fungi (pine),
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194 8 Habitat of Wood Fungi violet
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198 8 Habitat of Wood Fungi Signifi
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200 8 Habitat of Wood Fungi 8.3.11
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202 8 Habitat of Wood Fungi inChap.
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204 8 Habitat of Wood Fungi Strands
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206 8 Habitat of Wood Fungi 8.4.5 S
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210 8 Habitat of Wood Fungi timber
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212 8 Habitat of Wood Fungi 8.5.2 L
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214 8 Habitat of Wood Fungi 8.5.2.3
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218 8 Habitat of Wood Fungi Oligopo
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220 8 Habitat of Wood Fungi 1985).
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224 8 Habitat of Wood Fungi Occurre
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226 8 Habitat of Wood Fungi alive m
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230 8 Habitat of Wood Fungi to penc
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232 8 Habitat of Wood Fungi with it
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234 8 Habitat of Wood Fungi most im
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236 8 Habitat of Wood Fungi 1991; R
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238 9 Positive Effects of Wood-Inha
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Appendix 1 Identification Key for S
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Appendix 1 255 thesebrighttobrown;v
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Appendix 1 257 22(13,17) recognizab
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Appendix 1 259 margin; sometimes wi
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262 Appendix 2 Candida utilis (Henn
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264 Appendix 2 Memnoniella echinata
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266 Appendix 2 Stereum rugosum (Per
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268 References Allen MF (1991) The
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270 References Bastawde KB (1992) X
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272 References Blanchette RA, Cease
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274 References Bucur V (2003) Nonde
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276 References Cooper JI, Edwards M
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278 References Dickinson DJ, Sorkho
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280 References Ellis EA (1976) Brit
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282 References Frankland JC, Hedger
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284 References Grinda M, Kerner-Gan
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286 References Haustrup ACS, Green
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288 References Holdenrieder O (1982
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290 References Jellison J, Chen Y,
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292 References Katayama S, Watanabe
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294 References Klein-Gebbinck HW, B
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296 References Laks PE, Park CG, Ri
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298 References Liese W, Kumar S (20
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300 References Martin F, Delaruelle
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302 References Moreth U, Schmidt O
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304 References Nilsson T, Obst JR,
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306 References Payne C, Petty JA, W
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308 References Rapp AO, Müller J (
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310 References Rösch R (1972) Phen
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312 References Schmidt H (2005) Au
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314 References Schmidt O, Schmitt U
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316 References Schwarze FWMR (2005)
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318 References Siepmann R (1970) Ar
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320 References Sutter H-P (2003) Ho
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322 References Uemura S, Ishihara M
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324 References Watanabe T, Sabrina
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326 References Wohlers A, Kowol T,
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Subject Index Abiotic wood discolor
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Subject Index 331 Fruit body format
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Subject Index 333 Phylogenetic anal
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