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Known worldwide as the standard introductory text to this important and exciting area of study, Gene Cloning and DNA Analysis: An Introduction, 8th Edition preserves the tradition of excellence created by previous editions. Comprehensive and authoritative, the book explores all of the topics crucial to an understanding of gene cloning in an approachable way. An easy-to-follow and user-friendly layout is presented in full-color throughout the volume, making it simple to absorb the clear and accessible material contained within.
Gene Cloning and DNA Analysis: An Introduction, 8th Edition contains updated and extended coverage of gene editing strategies like CRISPR/Cas, rewritten chapters on DNA sequencing and genome studies, as well as new material on real-time PCR and typing of human disease mutations. Over 250 full-color illustrations are included to bring to life the comprehensive content. The book also covers topics like:
Gene Cloning and DNA Analysis: An Introduction, 8th Edition is an invaluable introductory text for students in classes like genetics and genomics, molecular biology, biochemistry, immunology, and applied biology. It also belongs on the bookshelves of every professional who desires to improve their understanding of the basics of gene cloning or DNA analysis.
T. A. Brown is Emeritus Professor of Biomolecular Archaeology in the Manchester Institute of Biotechnology at the University of Manchester in the United Kingdom. He has published several books on genetics, genomics and biochemistry as well as over 150 research papers.
Preface to the Eighth Edition xv
Part I The Basic Principles of Gene Cloning and DNA Analysis 1
1 Why Gene Cloning and DNA Analysis are Important 3
2 Vectors for Gene Cloning: Plasmids and Bacteriophages 15
3 Purification of DNA from Living Cells 29
4 Manipulation of Purified DNA 53
5 Introduction of DNA into Living Cells 83
6 Cloning Vectors for E. coli 101
7 Cloning Vectors for Eukaryotes 121
8 How to Obtain a Clone of a Specific Gene 145
9 The Polymerase Chain Reaction 169
Part II The Applications of Gene Cloning and DNA Analysis in Research 187
10 Sequencing Genes and Genomes 189
11 Studying Gene Expression and Function 217
12 Studying Genomes 243
13 Studying Transcriptomes and Proteomes 259
Part III The Applications of Gene Cloning and DNA Analysis in Biotechnology 275
14 Production of Protein from Cloned Genes 277
15 Gene Cloning and DNA Analysis in Medicine 301
16 Gene Cloning and DNA Analysis in Agriculture 327
17 Gene Cloning and DNA Analysis in Forensic Science and Archaeology 355
Glossary 377
Index 395
1.1 The early development of genetics 4
1.2 The advent of gene cloning and the polymerase chain reaction 4
1.3 What is gene cloning? 5
1.4 What is PCR? 5
1.5 Why gene cloning and PCR are so important 8
1.5.1 Obtaining a pure sample of a gene by cloning 8
1.5.2 PCR can also be used to purify a gene 10
1.6 How to find your way through this book 11
Further reading 13
2.1 Plasmids 15
2.1.1 Size and copy number 17
2.1.2 Conjugation and compatibility 18
2.1.3 Plasmid classification 19
2.1.4 Plasmids in organisms other than bacteria 19
2.2 Bacteriophages 19
2.2.1 The phage infection cycle 20
2.2.2 Lysogenic phages 20
2.2.3 Viruses as cloning vectors for other organisms 26
Further reading 27
3.1 Preparation of total cell DNA 30
3.1.1 Growing and harvesting a bacterial culture 30
3.1.2 Preparation of a cell extract 31
3.1.3 Purification of DNA from a cell extract 33
3.1.4 Concentration of DNA samples 37
3.1.5 Measurement of DNA concentration 38
3.1.6 Other methods for the preparation of total cell DNA 39
3.2 Preparation of plasmid DNA 40
3.2.1 Separation on the basis of size 41
3.2.2 Separation on the basis of conformation 42
3.2.3 Plasmid amplification 44
3.3 Preparation of bacteriophage DNA 46
3.3.1 Growth of cultures to obtain a high ¿ titre 47
3.3.2 Preparation of non-lysogenic ¿ phages 47
3.3.3 Collection of phages from an infected culture 49
3.3.4 Purification of DNA from ¿ phage particles 49
3.3.5 Purification of M13 DNA causes few problems 49
Further reading 51
4.1 The range of DNA manipulative enzymes 55
4.1.1 Nucleases 55
4.1.2 Ligases 57
4.1.3 Polymerases 57
4.1.4 DNA modifying enzymes 58
4.2 Enzymes for cutting DNA - restriction endonucleases 59
4.2.1 The discovery and function of restriction endonucleases 60
4.2.2 Type II restriction endonucleases cut DNA at specific nucleotide sequences 61
4.2.3 Blunt ends and sticky ends 62
4.2.4 The frequency of recognition sequences in a DNA molecule 63
4.2.5 Performing a restriction digest in the laboratory 64
4.2.6 Analysing the result of restriction endonuclease cleavage 66
4.2.7 Estimation of the sizes of DNA molecules 68
4.2.8 Mapping the positions of different restriction sites in a DNA molecule 69
4.2.9 Special gel electrophoresis methods for separating larger molecules 70
4.3 Ligation - joining DNA molecules together 72
4.3.1 The mode of action of DNA ligase 72
4.3.2 Sticky ends increase the efficiency of ligation 74
4.3.3 Putting sticky ends onto a blunt-ended molecule 74
4.3.4 Blunt-end ligation with a DNA topoisomerase 79
Further reading 81
5.1 Transformation - the uptake of DNA by bacterial cells 85
5.1.1 Not all species of bacteria are equally efficient at DNA uptake 85
5.1.2 Preparation of competent E. coli cells 86
5.1.3 Selection for transformed cells 86
5.2 Identification of recombinants 88
5.2.1 Recombinant selection with pBR322 - insertional inactivation of an antibiotic resistance gene 89
5.2.2 Insertional inactivation does not always involve antibiotic resistance 90
5.3 Introduction of phage DNA into bacterial cells 92
5.3.1 Transfection 93
5.3.2 In vitro packaging of ¿ cloning vectors 93
5.3.3 Phage infection is visualized as plaques on an agar medium 93
5.3.4 Identification of recombinant phages 95
5.4 Introduction of DNA into non-bacterial cells 97
5.4.1 Transformation of individual cells 97
5.4.2 Transformation of whole organisms 99
Further reading 99
6.1 Cloning vectors based on E. coli plasmids 102
6.1.1 The nomenclature of plasmid cloning vectors 102
6.1.2 The useful properties of pBR322 102
6.1.3 The pedigree of pBR322 103
6.1.4 More sophisticated E. coli plasmid cloning vectors 104
6.2 Cloning vectors based on ¿ bacteriophage 108
6.2.1 Natural selection was used to isolate modified ¿ that lack certain restriction sites 108
6.2.2 Segments of the ¿ genome can be deleted without impairing viability 108
6.2.3 Insertion and replacement vectors 110
6.2.4 Cloning experiments with ¿ insertion or replacement vectors 112
6.2.5 Long DNA fragments can be cloned using a cosmid 113
6.2.6 ¿ and other high-capacity vectors enable genomic libraries to be constructed 114
6.3 Cloning vectors for synthesis of single-stranded DNA 115
6.3.1 Vectors based on M13 bacteriophage 115
6.3.2 Hybrid plasmid-M13 vectors 117
6.4 Vectors for other bacteria 118
Further reading 119
7.1 Vectors for yeast and other fungi 121
7.1.1 Selectable markers for the 2 µm plasmid 122
7.1.2 Vectors based on the 2 µm plasmid - yeast episomal plasmids 122
7.1.3 A YEp may insert into yeast chromosomal DNA 124
7.1.4 Other types of yeast cloning vector 124
7.1.5 Artificial chromosomes can be used to clone long pieces of DNA in yeast 126
7.1.6 Vectors for other yeasts and fungi 129
7.2 Cloning vectors for higher plants 129
7.2.1 Agrobacterium tumefaciens - nature's smallest genetic engineer 130
7.2.2 Cloning genes in plants by direct gene transfer 135
7.2.3 Attempts to use plant viruses as cloning vectors 137
7.3 Cloning vectors for animals 138
7.3.1 Cloning vectors for insects 139
7.3.2 Cloning in mammals 141
Further reading 143
8.1 The problem of selection 146
8.1.1 There are two basic strategies for obtaining the clone you want 146
8.2 Direct selection 147
8.2.1 Marker rescue extends the scope of direct selection 149
8.2.2 The scope and limitations of marker rescue 150
8.3 Identification of a clone from a gene library 150
8.3.1 Gene libraries 151
8.4 Methods for clone identification 153
8.4.1 Complementary nucleic acid strands hybridize to each other 154
8.4.2 Colony and plaque hybridization probing 154
8.4.3 Examples of the practical use of hybridization probing 157
8.4.4 Identification methods based on detection of the translation product of the cloned gene 164
Further reading 166
9.1 PCR in outline 170
9.2 PCR in more detail 172
9.2.1 Designing the oligonucleotide primers for a PCR 172
9.2.2 Working out the correct temperatures to use 174
9.3 After the PCR: studying PCR products 176
9.3.1 Gel electrophoresis of PCR products 177
9.3.2 Cloning PCR products 178
9.4 Real-time PCR 180
9.4.1 Carrying out a real-time PCR experiment 180
9.4.2 Real-time PCR enables the amount of starting material to be quantified 182
9.4.3 Melting curve analysis enables point mutations to be identified 184
Further reading 185
10.1 Chain-termination DNA sequencing 190
10.1.1 Chain-termination sequencing in outline 190
10.1.2 Not all DNA polymerases can be used for sequencing 192
10.1.3 Chain-termination sequencing with Taq polymerase 193
10.1.4 Limitations of chain-termination sequencing 195
10.2 Next-generation sequencing 196
10.2.1 Preparing a library for an Illumina sequencing experiment 197
10.2.2 The sequencing phase of an Illumina experiment 199
10.2.3 Ion semiconductor sequencing 201
10.2.4 Third-generation sequencing 201
10.2.5 Next-generation sequencing without a DNA polymerase 202
10.2.6 Directing next-generation sequencing at specific sets of genes 203
10.3 How to sequence a genome 205
10.3.1 Shotgun sequencing of prokaryotic genomes 206
10.3.2 Sequencing of eukaryotic genomes 209
Further reading 215
11.1 Studying the RNA transcript of a gene 218
11.1.1 Detecting the presence of a transcript in an RNA sample 219
11.1.2 Transcript mapping by hybridization between gene and RNA 220
11.1.3 Transcript analysis by primer extension 222
11.1.4 Transcript analysis by PCR 223
11.2 Studying the regulation of gene expression 224
11.2.1 Identifying protein binding sites on a DNA molecule 225
11.2.2 Identifying control sequences by deletion analysis 230
11.3 Identifying and studying the translation product of a cloned gene 232
11.3.1 HRT and HART can identify the translation product of a cloned gene 233
11.3.2 Analysis of proteins by in vitro mutagenesis 234
Further reading 240
12.1 Locating the genes in a genome sequence 244
12.1.1 Locating protein-coding genes by scanning a genome sequence 244
12.1.2 Gene location is aided by homology searching 247
12.1.3 Locating genes for noncoding RNA transcripts 249
12.1.4 Identifying the binding sites for regulatory proteins in a genome sequence 250
12.2 Determining the function of an unknown gene 251
12.2.1 Assigning gene functions by computer analysis 251
12.2.2 Assigning gene function by experimental analysis 252
12.3 Genome browsers 256
Further reading 257
13.1 Studying transcriptomes 259
13.1.1 Studying transcriptomes by microarray or chip analysis 260
13.1.2 Studying transcriptomes by RNA sequencing 261
13.2 Studying proteomes 265
13.2.1 Protein profiling 266
13.2.2 Studying protein-protein interactions 270
Further reading 274
14.1 Special vectors for expression of foreign genes in E. coli 280
14.1.1 The promoter is the critical component of an expression vector 281
14.1.2 Cassettes and gene fusions 285
14.2 General problems with the production of recombinant protein in E. coli 287
14.2.1 Problems resulting from the sequence of the foreign gene 288
14.2.2 Problems caused by E. coli 289
14.3 Production of recombinant protein by eukaryotic cells 290
14.3.1 Recombinant protein from yeast and filamentous fungi 291
14.3.2 Using animal cells for recombinant protein production 293
14.3.3 Pharming - recombinant protein from live animals and plants 295
Further reading 298
15.1 Production of recombinant pharmaceuticals 301
15.1.1 Recombinant insulin 302
15.1.2 Synthesis of human growth hormones in E. coli 304
15.1.3 Recombinant factor VIII 305
15.1.4 Synthesis of other recombinant human proteins 308
15.1.5 Recombinant vaccines 308
15.2 Identification of genes responsible for human diseases 314
15.2.1 How to identify a gene for a genetic disease 315
15.2.2 Genetic typing of disease mutations 320
15.3 Gene therapy 321
15.3.1 Gene therapy for inherited diseases 321
15.3.2 Gene therapy and cancer 323
15.3.3 The ethical issues raised by gene therapy 324
Further reading 325
16.1 The gene addition approach to plant genetic engineering 328
16.1.1 Plants that make their own insecticides 328
16.1.2 Herbicide-resistant crops 334
16.1.3 Improving the nutritional quality of plants by gene addition 337
16.1.4 Other gene addition projects 338
16.2 Gene subtraction 339
16.2.1 Antisense RNA and the engineering of fruit ripening in tomato 340
16.2.2 Other examples of the use of antisense RNA in plant genetic engineering 342
16.3 Gene editing with a programmable nuclease 344
16.3.1 Gene editing of phytoene desaturase in rice 344
16.3.2 Editing of multiple genes in a single plant 346
16.3.3 Future developments in gene editing of plants 347
16.4 Are GM plants harmful to human health and the environment? 349
16.4.1 Safety concerns with selectable markers 349
16.4.2 The possibility of harmful effects on the environment 350
Further reading 351
17.1 DNA analysis in the identification of crime suspects 356
17.1.1 Genetic fingerprinting by hybridization probing 356
17.1.2 DNA profiling by PCR of short tandem repeats 357
17.2 Studying kinship by DNA profiling 359
17.2.1 Related individuals have similar DNA profiles 359
17.2.2 DNA profiling and the remains of the Romanovs 360
17.3 Sex identification by DNA analysis 363
17.3.1 PCRs directed at Y chromosome-specific sequences 363
17.3.2 PCR of the amelogenin gene 364
17.4 Archaeogenetics - using DNA to study human prehistory 365
17.4.1 The origins of modern humans 365
17.4.2 DNA can also be used to study prehistoric human migrations 370
Further reading 374
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