<p>List of Contributors xv<br /><br />Introduction xvii<br /><br />1 INTRODUCTION OF NATURAL PIGMENTS FROM MICROORGANISMS 1<br />Siyuan Wang, Fuchao Xu, and Jixun Zhan<br /><br />1.1 Introduction 1<br /><br />1.2 Microbial Pigments from Eukaryotic Sources 2<br /><br />1.2.1 Pigments from Algae 2<br /><br />1.2.2 Pigments from Fungi 4<br /><br />1.2.3 Pigments from Yeasts 7<br /><br />1.3 Natural Pigments from Prokaryotes 9<br /><br />1.3.1 Natural Pigments from Cyanobacteria 9<br /><br />1.3.2 Natural Pigments from Bacteria 10<br /><br />1.4 Conclusion 16<br /><br />References 16<br /><br />2 ESTABLISHING NOVEL CELL FACTORIES PRODUCING NATURAL PIGMENTS IN EUROPE 23<br />Gerit Tolborg, Thomas Isbrandt, Thomas Ostenfeld Larsen, and Mhairi Workman<br /><br />2.1 Introduction 23<br /><br />2.2 Colorants 25<br /><br />2.2.1 Classification of Colorants 25<br /><br />2.2.2 Monascus Pigments 26<br /><br />2.2.3 Biosynthesis of Monascus Pigments 29<br /><br />2.2.4 Derivatives of Monascus Pigments 31<br /><br />2.3 Screening for Monascus Pigment–Producing Cell Factories for the European Market 32<br /><br />2.3.1 Cell Factory Selection and Identification 32<br /><br />2.3.2 From Single Pigment Producers to High–Performance Cell Factories 33<br /><br />2.4 Assessment of the Color Yield 34<br /><br />2.4.1 Pigment Purification and Quantification 34<br /><br />2.4.2 Detection and Identification 37<br /><br />2.4.3 Quantification 38<br /><br />2.4.4 CIELAB 41<br /><br />2.5 Optimizing Cellular Performance: Growth and Pigment Production 41<br /><br />2.5.1 Assessment of Classical Physiological Parameters 42<br /><br />2.5.2 Media Composition 42<br /><br />2.5.3 Cultivation Parameters 44<br /><br />2.5.4 Type of Cultivation 46<br /><br />2.5.5 Metabolic Engineering 48<br /><br />2.6 Pigment Properties 50<br /><br />2.7 Conclusion 51<br /><br />References 51<br /><br />3 COLOR–PRODUCING EXTREMOPHILES 61<br />Eva García–López, Alberto Alcazar, Ana Maria Moreno, and Cristina Cid<br /><br />3.1 Introduction 61<br /><br />3.2 Color–Producing Extremophiles 62<br /><br />3.2.1 Thermophiles and Hyperthermophiles 63<br /><br />3.2.2 Psychrophiles and Psychrotolerants 63<br /><br />3.2.3 Alkaliphiles 66<br /><br />3.2.4 Acidophiles 66<br /><br />3.2.5 Piezophiles and Piezotolerants 66<br /><br />3.2.6 Halophiles and Halotolerants 67<br /><br />3.2.7 Radiophiles 67<br /><br />3.3 Microbial Pigments 68<br /><br />3.3.1 Chlorophylls and Bacteriochlorophylls 68<br /><br />3.3.2 Carotenoids and Phycobilins 69<br /><br />3.3.3 Violacein 70<br /><br />3.3.4 Prodigiosin 70<br /><br />3.3.5 Pyocyanin 70<br /><br />3.3.6 Azaphilones 70<br /><br />3.3.7 Bacteriorhodopsin 71<br /><br />3.3.8 Cytochromes 71<br /><br />3.3.9 Other 72<br /><br />3.4 Biotechnological Applications of Microbial Pigments from Extremophiles 73<br /><br />3.4.1 Applications in the Food Industry 74<br /><br />3.4.2 Applications in the Pharmaceutical Industry 77<br /><br />3.4.3 Applications in the Textile Industry 78<br /><br />3.4.4 Applications as Laboratory Tools 78<br /><br />3.4.5 Applications in Bioremediation 79<br /><br />3.4.6 Development of Microbial Fuel Cells 79<br /><br />3.4.7 Biotechnological Production of Natural Pigments 80<br /><br />3.5 Conclusion 80<br /><br />Acknowledgments 80<br /><br />References 80<br /><br />4 CURRENT CAROTENOID PRODUCTION USING MICROORGANISMS 87<br />Laurent Dufossé<br /><br />4.1 Introduction 87<br /><br />4.2 –carotene 88<br /><br />4.2.1 B. trispora 88<br /><br />4.2.2 Phycomyces blakesleeanus 90<br /><br />4.2.3 Mucor circinelloides 91<br /><br />4.2.4 Applications 91<br /><br />4.3 Lycopene 91<br /><br />4.3.1 B. trispora 92<br /><br />4.3.2 Fusarium sporotrichioides 93<br /><br />4.4 Astaxanthin 93<br /><br />4.4.1 X. dendrorhous, Formerly Phaffia rhodozyma 94<br /><br />4.4.2 Agrobacterium aurantiacum and Other Bacteria 95<br /><br />4.4.3 Advantages over Other Carotenoids 95<br /><br />4.4.4 Astaxanthin for Salmon and Trout Feeds 96<br /><br />4.4.5 Astaxanthin for Humans 97<br /><br />4.5 Zeaxanthin 97<br /><br />4.6 Canthaxanthin 98<br /><br />4.7 Torulene and Thorularhodin 99<br /><br />4.8 Prospects for Carotenoid Production by Genetically Modified Microorganisms 99<br /><br />4.8.1 Escherichia coli and Other Hosts 99<br /><br />4.8.2 Directed Evolution and Combinatorial Biosynthesis 101<br /><br />4.9 Conclusion 102<br /><br />References 104<br /><br />5 C50 CAROTENOIDS: OCCURRENCE, BIOSYNTHESIS, GLYCOSYLATION, AND METABOLIC ENGINEERING FOR THEIR OVERPRODUCTION 107<br />Sabine A.E. Heider, Nadja A. Henke, Petra Peters–Wendisch, and Volker F. Wendisch<br /><br />5.1 Introduction 107<br /><br />5.2 Occurrence and Biological Function of C50 Carotenoids 108<br /><br />5.3 Biosynthesis of C50 Carotenoids 110<br /><br />5.4 Glycosylation of C50 Carotenoids 114<br /><br />5.5 Overproduction of C50 Carotenoids by Metabolic Engineering 115<br /><br />5.6 Conclusion 118<br /><br />Acknowledgments 119<br /><br />References 119<br /><br />6 BIOPIGMENTS AND MICROBIAL BIOSYNTHESIS OF –CAROTENOIDS 127<br />Rosemary C. Nwabuogu, Jennifer Lau, and Om V. Singh<br /><br />6.1 Introduction 127<br /><br />6.2 Characterization of Biological Pigments 129<br /><br />6.2.1 Tetrapyrrole Derivatives 129<br /><br />6.2.2 N–heterocyclic Derivatives 130<br /><br />6.2.3 Isoprenoid Derivatives 131<br /><br />6.2.4 Benzopran Derivatives 132<br /><br />6.2.5 Quinones 132<br /><br />6.2.6 Melanins 133<br /><br />6.3 Biosynthetic Routes of –carotene 133<br /><br />6.3.1 Fermentation of –carotene 138<br /><br />6.4 Molecular Regulation of –carotene Biosynthesis 146<br /><br />6.5 Commercialization of –carotene 147<br /><br />6.6 Conclusion 151<br /><br />References 151<br /><br />7 BIOTECHNOLOGICAL PRODUCTION OF MELANINS WITH MICROORGANISMS 161<br />Guillermo Gosset<br /><br />7.1 Introduction 161<br /><br />7.2 Microbial Production of Melanins 163<br /><br />7.3 Production of Melanins with Engineered Microorganisms 165<br /><br />7.4 Conclusion 169<br /><br />References 170<br /><br />8 BIOCHEMISTRY AND MOLECULAR MECHANISMS OF MONASCUS PIGMENTS 173<br />Changlu Wang, Di Chen, and Jiancheng Qi<br /><br />8.1 Introduction 173<br /><br />8.2 Monascus Pigments 174<br /><br />8.3 The Properties of Monascus Pigments 176<br /><br />8.3.1 Solubility 176<br /><br />8.3.2 Stability 177<br /><br />8.3.3 Safety 177<br /><br />8.4 Functional Properties of Monascus Pigments 177<br /><br />8.4.1 Antimicrobial Activities 178<br /><br />8.4.2 Anti–inflammatory Activities 178<br /><br />8.4.3 Anti–obesity Activities 178<br /><br />8.4.4 Anticancer Activities 178<br /><br />8.5 Biosynthetic Pathway of Monascus Pigments 179<br /><br />8.6 Biosynthetic Pathway of Related Genes 181<br /><br />8.7 Factors Affecting Monascus Pigment Production 184<br /><br />8.7.1 Solid–State Fermentation 185<br /><br />8.7.2 Submerged Fermentation 186<br /><br />8.7.3 Carbon Source 186<br /><br />8.7.4 Nitrogen Source 187<br /><br />8.7.5 Temperature 187<br /><br />8.7.6 Light 187<br /><br />Referencess 187<br /><br />9 DIVERSITY AND APPLICATIONS OF VERSATILE PIGMENTS PRODUCED BY MONASCUS SP 193<br />Sunil H. Koli, Rahul K. Suryawanshi, Bipinchandra K. Salunke, and Satish V. Patil<br /><br />9.1 Introduction 193<br /><br />9.2 Pigment–Producing Monascus Strains 195<br /><br />9.3 Various Types of Monascus Pigments 199<br /><br />9.4 Extraction and Purification of Monascus Pigments 203<br /><br />9.5 Detection and Purification 204<br /><br />9.5.1 UV–Vis Spectrophotometric Methods 204<br /><br />9.5.2 Column Chromatography 204<br /><br />9.5.3 Thin–Layer Chromatography 205<br /><br />9.5.4 High–Performance Liquid Chromatography 205<br /><br />9.6 Applications 206<br /><br />9.6.1 Food Colorants 206<br /><br />9.6.2 Biological Role 206<br /><br />9.7 Conclusion 209<br /><br />References 209<br /><br />10 MICROBIAL PIGMENT PRODUCTION UTILIZING AGRO–INDUSTRIAL WASTE AND ITS APPLICATIONS 215<br />Chidambaram Kulandaisamy Venil, Nur Zulaikha Binti Yusof, Claira Arul Aruldass, and Wan Azlina Ahmad<br /><br />10.1 Introduction 215<br /><br />10.2 Agro–industrial Waste Generation: A Scenario 216<br /><br />10.3 Microbial Pigments 216<br /><br />10.4 Production of Microbial Pigments Utilizing Agro–industrial Waste from Different Industries 223<br /><br />10.5 Case Study: Production of Violacein by Chromobacterium violaceum Grown in Agricultural Wastes 225<br /><br />10.5.1 Introduction 225<br /><br />10.5.2 Materials and Methods 226<br /><br />10.5.3 Results and Discussion 229<br /><br />10.6 Conclusion 235<br /><br />Acknowledgments 235<br /><br />References 235<br /><br />11 MICROBIAL PIGMENTS: POTENTIAL FUNCTIONS AND PROSPECTS 241<br />P. Akilandeswari and B.V. Pradeep<br /><br />11.1 Introduction 241<br /><br />11.1.1 Pigments 242<br /><br />11.1.2 Types of Pigments 242<br /><br />11.1.3 Microbial Pigments 242<br /><br />11.1.4 Use of Pigments 243<br /><br />11.1.5 Advantages of Natural Pigments 243<br /><br />11.1.6 Disadvantages of Synthetic Dyes 243<br /><br />11.2 Potential Sources of Microbial Pigments 244<br /><br />11.2.1 Actinomycetes 244<br /><br />11.2.2 Bacteria 245<br /><br />11.2.3 Fungi 245<br /><br />11.3 Physical Factors Influencing Microbial Pigments 246<br /><br />11.4 Chemical Factors Influencing Microbial Pigments 247<br /><br />11.5 Fermentation Practices in Pigment Production 248<br /><br />11.5.1 Solid–State Fermentation 248<br /><br />11.5.2 Submerged Fermentation 248<br /><br />11.6 Characterization and Purification Analysis 249<br /><br />11.7 Biocolors from Microbes and their Potential Functions 250<br /><br />11.7.1 Pharmaceutical Industry 250<br /><br />11.7.2 Food Colorants 255<br /><br />11.7.3 Textile Dyeing 256<br /><br />References 257<br /><br />12 THE MICROBIAL WORLD OF BIOCOLOR PRODUCTION 263<br />Roshan Gul, Raman Kumar, and Anil K. Sharma<br /><br />12.1 Introduction 263<br /><br />12.2 Pigments Produced by Microorganisms 265<br /><br />12.3 Classification of Pigments 265<br /><br />12.3.1 Riboflavin 265<br /><br />12.3.2 –carotene 265<br /><br />12.3.3 Canthaxanthin 268<br /><br />12.3.4 Carotenoids 268<br /><br />12.3.5 Prodigiosin 268<br /><br />12.3.6 Phycocyanin 268<br /><br />12.3.7 Violacein 268<br /><br />12.3.8 Astaxanthin 268<br /><br />12.4 Benefits and Applications of Microbial Pigments 269<br /><br />12.5 Conclusion 272<br /><br />References 273<br /><br />Index 279</p>