| | Contents | |
| | | |
| |
| | Preface | XVII |
| | List of Contributors | XXI |
| 1 | Cytometry and Cytometers: Development and Growth Howard M. Shapiro | 1 |
| | Overview | 1 |
| 1.1 | Origins | 1 |
| 1.2 | From Absorption to Fluorescence, from Imaging to Flow | 2 |
| 1.2.1 | Early Microspectrophotometry and Image Cytometry | 3 |
| 1.2.2 | Fluorescence Microscopy and the Fluorescent Antibody Technique | 3 |
| 1.2.3 | Computers Meet Cytometers: The Birth of Analytical Flow Cytometry | 4 |
| 1.2.4 | The Development of Cell Sorting | 7 |
| 1.3 | The Growth of Multiparameter Flow Cytometry | 8 |
| 1.4 | Bench-tops and Behemoths: Convergent Evolution | 11 |
| 1.5 | Image Cytometry: New Beginnings? | 14 |
| | References | 15 |
| 2 | Principles of Flow Cytometry J. Paul Robinson and Gérald Grégori | 19 |
| | Overview | 19 |
| 2.1 | Introduction | 19 |
| 2.2 | A Brief History of Flow Cytometry | 20 |
| 2.3 | Components of a Flow Cytometer | 21 |
| 2.3.1 | Fluidics | 22 |
| 2.3.2 | Optics | 25 |
| 2.3.3 | Electronic Systems | 27 |
| 2.4 | Flow Cytometric Informatics | 30 |
| 2.5 | Spectral Compensation | 33 |
| 2.6 | Cell Sorting | 34 |
| 2.7 | Calibration Issues | 37 |
| 2.8 | Conclusions | 37 |
| | References | 39 |
| 3 | Flow Cytometry with Plants: an Overview Jaroslav Dole el, Johann Greilhuber, and Jan Suda | 41 |
| | Overview | 41 |
| 3.1 | Introduction | 42 |
| 3.2 | Fluorescence is a Fundamental Parameter | 43 |
| 3.3 | Pushing Plants through the Flow Cytometer | 44 |
| 3.3.1 | Difficulties with Plants and their Cells | 44 |
| 3.3.2 | Protoplasts are somewhat ``Easier'' than Intact Cells | 45 |
| 3.3.3 | Going for Organelles | 46 |
| 3.4 | Application of Flow Cytometry in Plants | 47 |
| 3.4.1 | Microspores and Pollen | 47 |
| 3.4.2 | Protoplasts | 47 |
| 3.4.2.1 | Physiological Processes | 48 |
| 3.4.2.2 | Secondary Metabolites | 48 |
| 3.4.2.3 | Gene Expression | 48 |
| 3.4.2.4 | Somatic Hybrids | 49 |
| 3.4.2.5 | DNA Transfection | 49 |
| 3.4.3 | Cell Nuclei | 49 |
| 3.4.3.1 | Ploidy Levels | 50 |
| 3.4.3.2 | Aneuploidy | 51 |
| 3.4.3.3 | B Chromosomes | 52 |
| 3.4.3.4 | Sex Chromosomes | 52 |
| 3.4.3.5 | Cell Cycle and Endopolyploidy | 52 |
| 3.4.3.6 | Reproductive Pathways | 53 |
| 3.4.3.7 | Nuclear Genome Size | 54 |
| 3.4.3.8 | DNA Base Content | 55 |
| 3.4.3.9 | Chromatin Composition | 56 |
| 3.4.3.10 | Sorting of Nuclei | 56 |
| 3.4.4 | Mitotic Chromosomes | 57 |
| 3.4.5 | Chloroplasts | 57 |
| 3.4.6 | Mitochondria | 58 |
| 3.4.7 | Plant Pathogens | 58 |
| 3.4.8 | Aquatic Flow Cytometry | 59 |
| 3.5 | A Flow Cytometer in Every Laboratory? | 59 |
| 3.6 | Conclusions and Future Trends | 60 |
| | References | 61 |
| 4 | Nuclear DNA Content Measurement Johann Greilhuber, Eva M. Temsch, and Joăo C. M. Loureiro | 67 |
| | Overview | 67 |
| 4.1 | Introduction | 67 |
| 4.2 | Nuclear DNA Content: Words, Concepts and Symbols | 69 |
| 4.2.1 | Replication--Division Phases | 69 |
| 4.2.2 | Alternation of Nuclear Phases | 70 |
| 4.2.3 | Generative Polyploidy Levels | 70 |
| 4.2.4 | Somatic Polyploidy | 71 |
| 4.3 | Units for Presenting DNA Amounts and their Conversion Factors | 72 |
| 4.4 | Sample Preparation for Flow Cytometric DNA Measurement | 74 |
| 4.4.1 | Selection of the Tissue | 74 |
| 4.4.2 | Reagents and Solutions | 75 |
| 4.4.2.1 | Isolation Buffers and DNA Staining | 76 |
| 4.5 | Standardization | 80 |
| 4.5.1 | Types of Standardization | 80 |
| 4.5.2 | Requirement of Internal Standardization -- a Practical Test | 82 |
| 4.5.3 | Choice of the Appropriate Standard Species | 83 |
| 4.5.3.1 | Biological Similarity | 83 |
| 4.5.3.2 | Genome Size | 84 |
| 4.5.3.3 | Nature of the Standard | 84 |
| 4.5.3.4 | Availability | 84 |
| 4.5.3.5 | Cytological Homogeneity | 85 |
| 4.5.3.6 | Accessibility | 85 |
| 4.5.3.7 | Reliability of C-Values | 85 |
| 4.5.4 | Studies on Plant Standards | 86 |
| 4.5.5 | Suggested Standards | 88 |
| 4.6 | Fluorescence Inhibitors and Coatings of Debris | 89 |
| 4.6.1 | What are Fluorescence Inhibitors and Coatings of Debris? | 89 |
| 4.6.2 | Experiments with Tannic Acid | 92 |
| 4.6.3 | A Flow-cytometric Test for Inhibitors | 95 |
| 4.7 | Quality Control and Data Presentation | 95 |
| 4.8 | Future Directions | 98 |
| | References | 99 |
| 5 | Flow Cytometry and Ploidy: Applications in Plant Systematics, Ecology and Evolutionary Biology Jan Suda, Paul Kron, Brian C. Husband, and Pavel Trávní ek | 103 |
| | Overview | 103 |
| 5.1 | Introduction | 103 |
| 5.2 | Practical Considerations | 104 |
| 5.2.1 | Relative DNA Content, Ploidy and Flow Cytometry | 104 |
| 5.2.2 | General Guidelines for Ploidy-level Studies | 105 |
| 5.2.3 | Use of Alternative Tissues | 108 |
| 5.2.3.1 | Preserved or Dormant Tissue | 108 |
| 5.2.3.2 | Pollen | 111 |
| 5.2.4 | Other Considerations/Pitfalls | 113 |
| 5.2.4.1 | Holokinetic Chromosomes (Agmatoploidy) | 113 |
| 5.2.4.2 | DNA Content Variation within Individuals | 113 |
| 5.3 | Applications in Plant Systematics | 114 |
| 5.3.1 | Systematics of Heteroploid Taxa | 114 |
| 5.3.1.1 | Detecting Rare Cytotypes | 117 |
| 5.3.1.2 | Phylogenetic Inference | 117 |
| 5.3.2 | Systematics of Homoploid Taxa | 118 |
| 5.4 | Applications in Plant Ecology and Evolutionary Biology | 119 |
| 5.4.1 | Spatial Patterns of Ploidy Variation | 119 |
| 5.4.1.1 | Invasion Biology | 119 |
| 5.4.2 | Evolutionary Dynamics of Populations with Ploidy Variation | 120 |
| 5.4.3 | Ploidy Level Frequencies at Different Life Stages (Temporal Variation) | 121 |
| 5.4.4 | Reproductive Pathways | 122 |
| 5.4.4.1 | Unreduced Gametes and Polyploidy | 122 |
| 5.4.4.2 | Asexual Seed Production | 124 |
| 5.4.4.3 | Hybridization | 124 |
| 5.4.5 | Trophic Level Interactions and Polyploidy | 125 |
| 5.5 | Future Directions | 126 |
| | References | 128 |
| 6 | Reproduction Mode Screening Fritz Matzk | 131 |
| | Overview | 131 |
| 6.1 | Introduction | 131 |
| 6.2 | Analyses of the Mode of Reproduction | 134 |
| 6.2.1 | Traditional Techniques | 134 |
| 6.2.2 | Ploidy Analyses of Progenies Originating from Selfing or Crossing | 139 |
| 6.2.2.1 | Identification of BIII, BIV and MI Individuals after Selfing or Intraploidy Pollinations | 139 |
| 6.2.2.2 | Crossing of Parents with Different Ploidy or with Dominant Markers | 140 |
| 6.2.3 | Flow Cytometric Analyses of the Relative DNA Content of Microspores or Male Gametes | 141 |
| 6.2.4 | The Ploidy Variation of Embryo and Endosperm Depending on the Reproductive Mode | 142 |
| 6.3 | A Recent Innovative Method: the Flow Cytometric Seed Screen | 142 |
| 6.3.1 | Advantages and Limitations of the FCSS | 143 |
| 6.3.2 | Applications of the FCSS | 146 |
| 6.3.2.1 | Botanical Studies | 146 |
| 6.3.2.2 | Evolutionary Studies | 147 |
| 6.3.2.3 | Genetical Analyses of Apomixis | 147 |
| 6.3.3 | Methodological Implications | 147 |
| 6.4 | Flow Cytometry with Mature Seeds for other Purposes | 149 |
| 6.5 | Conclusions | 150 |
| | References | 151 |
| 7 | Genome Size and its Uses: the Impact of Flow Cytometry Ilia J. Leitch and Michael D. Bennett | 153 |
| | Overview | 153 |
| 7.1 | Introduction | 153 |
| 7.2 | Why is Genome Size Important? | 154 |
| 7.3 | What is Known about Genome Size in Plants? | 155 |
| 7.3.1 | Angiosperms | 156 |
| 7.3.2 | Gymnosperms | 157 |
| 7.3.3 | Pteridophytes | 158 |
| 7.3.4 | Bryophytes | 158 |
| 7.3.5 | Algae | 158 |
| 7.4 | The Extent of Genome Size Variation across Plant Taxa | 159 |
| 7.5 | Understanding the Consequences of Genome Size Variation: Ecological and Evolutionary Implications | 160 |
| 7.5.1 | Influence of Genome Size on Developmental Lifestyle and Life Strategy | 161 |
| 7.5.2 | Ecological Implications of Genome Size Variation | 163 |
| 7.5.3 | Implications of Genome Size Variation on Plants' Responses to Environmental Change | 166 |
| 7.5.3.1 | Genome Size and Plant Response to Pollution | 166 |
| 7.5.3.2 | Genome Size and Threat of Extinction | 166 |
| 7.5.4 | Consequences of Genome Size Variation for Survival in a Changing World | 167 |
| 7.6 | Methods of Estimating Genome Size in Plants and the Impact of Flow Cytometry | 168 |
| 7.6.1 | The Development of Flow Cytometry for Genome Size Estimation in Angiosperms | 169 |
| 7.6.1.1 | Choice of Fluorochromes | 169 |
| 7.6.1.2 | Internal Standardization | 169 |
| 7.6.1.3 | The Need for Cytological Data | 170 |
| 7.6.1.4 | Awareness of the Possible Interference of DNA Staining | 170 |
| 7.6.2 | Potential for the Application of Flow Cytometry to Other Plant Groups | 171 |
| 7.6.2.1 | Gymnosperms | 171 |
| 7.6.2.2 | Pteridophytes | 172 |
| 7.6.2.3 | Bryophytes | 172 |
| 7.7 | Recent Developments and the Future of Flow Cytometry in Genome Size Research | 172 |
| | References | 174 |
| 8 | DNA Base Composition of Plant Genomes Armin Meister and Martin Barow | 177 |
| | Overview | 177 |
| 8.1 | Introduction | 177 |
| 8.2 | Analysis of Base Composition by Flow Cytometry | 178 |
| 8.2.1 | Fluorescence of Base-Specific Dyes: Theoretical Considerations | 180 |
| 8.2.2 | Base Composition of Plant Species Determined by Flow Cytometry and its Relation to Genome Size and Taxonomy | 185 |
| 8.2.3 | Comparison of Flow Cytometric Results with Base Composition Determined by other Physico-Chemical Methods | 204 |
| 8.2.4 | Possible Sources of Error in Determination of Base Composition by Flow Cytometry | 205 |
| 8.3 | Conclusions | 211 |
| | References | 213 |
| 9 | Detection and Viability Assessment of Plant Pathogenic Microorganisms using Flow Cytometry Jan H. W. Bergervoet, Jan M. van der Wolf, and Jeroen Peters | 217 |
| | Overview | 217 |
| 9.1 | Introduction | 217 |
| 9.2 | Viability Assessment | 218 |
| 9.2.1 | Viability Tests for Spores and Bacteria | 219 |
| 9.3 | Immunodetection | 222 |
| 9.3.1 | Microsphere Immuno Assay | 224 |
| 9.3.1.1 | Detection of Plant Pathogenic Bacteria and Viruses | 225 |
| 9.3.1.2 | Paramagnetic Microsphere Immuno Assay | 226 |
| 9.4 | Conclusions and Future Prospects | 227 |
| | References | 229 |
| 10 | Protoplast Analysis using Flow Cytometry and Sorting David W. Galbraith | 231 |
| | Overview | 231 |
| 10.1 | Introduction | 231 |
| 10.1.1 | Protoplast Preparation | 231 |
| 10.1.2 | Adaptation of Flow Cytometric Instrumentation for Analysis of Protoplasts | 233 |
| 10.1.3 | Parametric Analyses Available for Protoplasts using Flow Cytometry | 234 |
| 10.2 | Results of Protoplast Analyses using Flow Cytometry and Sorting | 237 |
| 10.2.1 | Protoplast Size | 237 |
| 10.2.2 | Protoplast Light Scattering Properties | 238 |
| 10.2.3 | Protoplast Protein Content | 239 |
| 10.2.4 | Protoplast Viability and Physiology | 239 |
| 10.2.5 | Protoplast Cell Biology | 243 |
| 10.2.6 | Construction of Somatic Hybrids | 244 |
| 10.2.7 | The Cell Cycle | 244 |
| 10.3 | Walled Plant Cells: Special Cases for Flow Analysis and Sorting | 246 |
| 10.4 | Prospects | 247 |
| | References | 248 |
| 11 | Flow Cytometry of Chloroplasts Erhard Pfündel and Armin Meister | 251 |
| | Overview | 251 |
| 11.1 | Introduction | 251 |
| 11.1.1 | The Chloroplast | 252 |
| 11.2 | Chloroplast Signals in Flow Cytometry | 255 |
| 11.2.1 | Autofluorescence | 255 |
| 11.2.2 | Light Scattering | 259 |
| 11.3 | Progress of Research | 259 |
| 11.3.1 | Chloroplasts from C3 Plants | 260 |
| 11.3.2 | Chloroplasts from C4 Plants | 261 |
| 11.4 | Conclusion | 263 |
| | References | 264 |
| 12 | DNA Flow Cytometry in Non-vascular Plants Hermann Voglmayr | 267 |
| | Overview | 267 |
| 12.1 | Introduction | 267 |
| 12.2 | Nuclear DNA Content and Genome Size Analysis | 271 |
| 12.2.1 | General Methodological Considerations | 272 |
| 12.2.1.1 | Isolation and Fixation of Nuclei | 272 |
| 12.2.1.2 | Standardization | 274 |
| 12.2.1.3 | Fluorochromes for Estimation of Nuclear DNA Content | 275 |
| 12.2.1.4 | Secondary Metabolites as DNA Staining Inhibitors | 276 |
| 12.2.2 | DNA Content and Genome Size Studies | 276 |
| 12.2.2.1 | Algae | 277 |
| 12.2.2.2 | Bryophytes | 280 |
| 12.3 | Future Perspectives | 283 |
| 12.4 | Conclusion | 284 |
| | References | 285 |
| 13 | Phytoplankton and their Analysis by Flow Cytometry George B. J. Dubelaar, Raffaella Casotti, Glen A. Tarran, and Isabelle C. Biegala | 287 |
| | Overview | 287 |
| 13.1 | Introduction | 288 |
| 13.2 | Plankton and their Importance | 288 |
| 13.2.1 | Particles in Surface Water | 288 |
| 13.2.2 | Phytoplankton | 289 |
| 13.2.3 | Distributions in the Aquatic Environment | 289 |
| 13.3 | Considerations for using Flow Cytometry | 291 |
| 13.3.1 | Analytical Approach | 291 |
| 13.3.2 | Limitations and Pitfalls of using Biomedical Instruments | 292 |
| 13.3.3 | Instrument Modification and Specialized Cytometers | 293 |
| 13.3.4 | Sizing and Discrimination of Cells | 295 |
| 13.3.5 | More Information per Particle: From Single Properties to (Silico-) Imaging | 297 |
| 13.4 | Sampling: How, Where and When | 301 |
| 13.4.1 | Sample Preparation | 301 |
| 13.4.2 | Critical Scales and Sampling Frequency | 302 |
| 13.4.3 | Platforms for Aquatic Flow Cytometry | 303 |
| 13.5 | Monitoring Applications | 305 |
| 13.5.1 | Species Screening: Cultures | 305 |
| 13.5.2 | Phytoplankton Species Biodiversity | 307 |
| 13.5.3 | Harmful Algal Blooms | 308 |
| 13.6 | Ecological Applications | 308 |
| 13.6.1 | Population-related Processes | 308 |
| 13.6.2 | Cell-related Processes and Functioning | 311 |
| 13.6.3 | Plankton Abundance Patterns in the Sea: Indicators of Change | 314 |
| 13.7 | Marine Optics and Flow Cytometry | 314 |
| 13.8 | Future Perspectives | 315 |
| | References | 319 |
| 14 | Cell Cycle Analysis in Plants Martin Pfosser, Zoltan Magyar, and Laszlo Bögre | 323 |
| | Overview | 323 |
| 14.1 | Introduction | 323 |
| 14.2 | Univariate Cell Cycle Analysis in Plant Cells | 325 |
| 14.3 | BrdUrd Incorporation to Determine Cycling Populations | 326 |
| 14.4 | Cell Cycle Synchronization Methods: Analysis of Cell Cycle Transitions in Cultured Plant Cells | 327 |
| 14.5 | Plant Protoplasts to Study the Cell Cycle | 335 |
| 14.6 | Root Meristems for Cell Cycle Synchronization | 335 |
| 14.7 | Study of Cell Cycle Regulation by using Synchronized Cell Cultures and Flow Cytometry | 336 |
| 14.8 | Cell Cycle and Plant Development | 338 |
| 14.9 | Flow Cytometry of Dissected Tissues in Developmental Time Series | 339 |
| 14.10 | Cell Type-specific Characterization of Nuclear DNA Content by Flow Cytometry | 339 |
| 14.11 | Other Methods and Imaging Technologies to Monitor Cell Cycle Parameters and Cell Division Kinetics in Developing Organs | 340 |
| 14.12 | Concluding Remarks | 342 |
| | References | 343 |
| 15 | Endopolyploidy in Plants and its Analysis by Flow Cytometry Martin Barow and Gabriele Jovtchev | 349 |
| | Overview | 349 |
| 15.1 | Introduction | 349 |
| 15.2 | Methods to Analyze Endopolyploidy | 351 |
| 15.2.1 | Microscopy | 351 |
| 15.2.1.1 | Chromosome Counts | 351 |
| 15.2.1.2 | Feulgen Microdensitometry, Fluorescence Microscopy, Image Analysis | 352 |
| 15.2.2 | Flow Cytometry | 352 |
| 15.2.2.1 | Evaluation of Histograms | 353 |
| 15.2.2.2 | Quantification of the Degree of Endopolyploidy | 354 |
| 15.3 | Occurrence of Endopolyploidy | 355 |
| 15.3.1 | Endopolyploidy in Species | 356 |
| 15.3.2 | Endopolyploidy in Ecotypes and Varieties | 356 |
| 15.3.3 | Endopolyploidy in Different Life Strategies | 357 |
| 15.3.4 | Endopolyploidy in Organs | 359 |
| 15.4 | Factors Modifying the Degree of Endopolyploidization | 362 |
| 15.4.1 | Genome Size and Endopolyploidy | 362 |
| 15.4.2 | Environmental Factors | 363 |
| 15.4.3 | Symbionts and Parasites | 364 |
| 15.4.4 | Phytohormones | 365 |
| 15.5 | Dynamics of Endopolyploidization | 366 |
| 15.6 | Endopolyploidy and Plant Breeding | 367 |
| 15.6.1 | Endopolyploidy in Crop Plants | 367 |
| 15.6.2 | In vitro Culture and Plant Regeneration | 368 |
| 15.7 | Conclusions | 369 |
| | References | 370 |
| 16 | Chromosome Analysis and Sorting Jaroslav Dole el, Marie Kubaláková, Pavla Suchánková, Pavlína Ková ová, Jan Barto , and Hana imková | 373 |
| | Overview | 373 |
| 16.1 | Introduction | 374 |
| 16.2 | How Does it Work? | 375 |
| 16.3 | How it All Began | 377 |
| 16.4 | Development of Flow Cytogenetics in Plants | 379 |
| 16.4.1 | Preparation of Suspensions of Intact Chromosomes | 379 |
| 16.4.1.1 | Biological Systems for Chromosome Isolation | 379 |
| 16.4.1.2 | Cell Cycle Synchronization and Metaphase Accumulation | 383 |
| 16.4.1.3 | Preparation of Chromosome Suspensions | 383 |
| 16.4.2 | Chromosome Analysis | 385 |
| 16.4.2.1 | Bivariate Analysis of AT and GC Content | 385 |
| 16.4.2.2 | Fluorescent Labeling of Repetitive DNA | 386 |
| 16.4.2.3 | The Use of Cytogenetic Stocks | 386 |
| 16.4.2.4 | Assignment of Chromosomes to Peaks on Flow Karyotypes | 386 |
| 16.4.3 | Chromosome Sorting | 387 |
| 16.4.3.1 | Estimating the Purity in Sorted Fractions | 389 |
| 16.4.3.2 | Improving the Sort Purity | 389 |
| 16.4.3.3 | Two-step Sorting | 389 |
| 16.4.3.4 | Purities and Sort Rates Achieved | 390 |
| 16.5 | Applications of Flow Cytogenetics | 390 |
| 16.5.1 | Flow Karyotyping | 390 |
| 16.5.2 | Chromosome Sorting | 392 |
| 16.5.2.1 | Physical Mapping and Integration of Genetic and Physical Maps | 392 |
| 16.5.2.2 | Cytogenetic Mapping | 392 |
| 16.5.2.3 | Analysis of Chromosome Structure | 396 |
| 16.5.2.4 | Targeted Isolation of Molecular Markers | 396 |
| 16.5.2.5 | Recombinant DNA Libraries | 396 |
| 16.6 | Conclusions and Future Prospects | 398 |
| | References | 400 |
| 17 | Analysis of Plant Gene Expression Using Flow Cytometry and Sorting David W. Galbraith | 405 |
| | Overview | 405 |
| 17.1 | Introduction | 405 |
| 17.2 | Methods, Technologies, and Results | 406 |
| 17.2.1 | Current Methods for Global Analysis of Gene Expression | 406 |
| 17.2.1.1 | Methods Based on Hybridization | 407 |
| 17.2.1.2 | Methods Based on Sequencing | 408 |
| 17.2.1.3 | Emerging Sequencing Technologies | 409 |
| 17.2.1.4 | Other -omics Disciplines and Technologies | 410 |
| 17.2.2 | Using Flow Cytometry to Monitor Gene Expression and Cellular States | 411 |
| 17.2.2.1 | Transgenic Markers Suitable for Flow Cytometry and Sorting | 411 |
| 17.2.2.2 | Subcellular Targeting as a Means for Transgenic Analysis | 412 |
| 17.2.3 | Using Flow Sorting to Measure Gene Expression and Define Cellular States | 414 |
| 17.2.3.1 | Protoplast and Cell Sorting Based on Endogenous Properties | 414 |
| 17.2.3.2 | Protoplast Sorting Based on Transgenic Markers | 416 |
| 17.2.3.3 | Sorting of Nuclei Based on Transgenic Markers | 417 |
| 17.3 | Prospects | 418 |
| 17.3.1 | Combining Flow and Image Cytometry | 418 |
| 17.3.2 | Use of Protoplasts for Confirmatory Studies | 418 |
| 17.3.3 | Analysing Noise in Gene Expression | 419 |
| | References | 421 |
| 18 | FLOWER: A Plant DNA Flow Cytometry Database Joaăo Loureiro, Jan Suda, Jaroslav Dole el, and Conceiçăo Santos | 423 |
| | Overview | 423 |
| 18.1 | Introduction | 423 |
| 18.2 | Taxonomic Representation in DNA Content Studies | 425 |
| 18.3 | Nuclear Isolation and Staining Buffers | 427 |
| 18.4 | Standardization and Standards | 430 |
| 18.5 | Fluorochromes | 433 |
| 18.6 | Quality Measures of Nuclear DNA Content Analyses | 434 |
| 18.7 | The Uses of DNA Flow Cytometry in Plants | 435 |
| 18.8 | Instrumentation | 435 |
| 18.9 | Where Are the Results Published? | 436 |
| 18.10 | Conclusion | 437 |
| | References | 438 |
| | Index | 439 |