Published in Nucleic Acids Res on December 14, 2006
A DNA barcode for land plants. Proc Natl Acad Sci U S A (2009) 9.68
A two-locus global DNA barcode for land plants: the coding rbcL gene complements the non-coding trnH-psbA spacer region. PLoS One (2007) 6.36
DNA barcoding the floras of biodiversity hotspots. Proc Natl Acad Sci U S A (2008) 4.97
Species detection using environmental DNA from water samples. Biol Lett (2008) 4.96
Multiple multilocus DNA barcodes from the plastid genome discriminate plant species equally well. PLoS One (2008) 4.18
Choosing and using a plant DNA barcode. PLoS One (2011) 3.64
Use of ITS2 region as the universal DNA barcode for plants and animals. PLoS One (2010) 2.92
Persistence of environmental DNA in freshwater ecosystems. PLoS One (2011) 2.75
Detection of a diverse marine fish fauna using environmental DNA from seawater samples. PLoS One (2012) 2.75
DNA barcoding insect-host plant associations. Proc Biol Sci (2009) 2.46
DNA barcodes: genes, genomics, and bioinformatics. Proc Natl Acad Sci U S A (2008) 2.46
How many loci does it take to DNA barcode a crocus? PLoS One (2009) 2.09
Fifty thousand years of Arctic vegetation and megafaunal diet. Nature (2014) 1.78
Identification of Amazonian trees with DNA barcodes. PLoS One (2009) 1.75
Universal plant DNA barcode loci may not work in complex groups: a case study with Indian berberis species. PLoS One (2010) 1.73
Analysing diet of small herbivores: the efficiency of DNA barcoding coupled with high-throughput pyrosequencing for deciphering the composition of complex plant mixtures. Front Zool (2009) 1.68
Deep sequencing of plant and animal DNA contained within traditional Chinese medicines reveals legality issues and health safety concerns. PLoS Genet (2012) 1.68
Molecular phylogenetic analyses of Tofieldiaceae (Alismatales): family circumscription and intergeneric relationships. J Plant Res (2010) 1.48
How to open the treasure chest? Optimising DNA extraction from herbarium specimens. PLoS One (2012) 1.44
DNA BARCODING IN LAND PLANTS: DEVELOPING STANDARDS TO QUANTIFY AND MAXIMIZE SUCCESS. Taxon (2008) 1.42
ecoPrimers: inference of new DNA barcode markers from whole genome sequence analysis. Nucleic Acids Res (2011) 1.33
Intraspecific inversions pose a challenge for the trnH-psbA plant DNA barcode. PLoS One (2010) 1.27
DNA metabarcoding illuminates dietary niche partitioning by African large herbivores. Proc Natl Acad Sci U S A (2015) 1.26
Use of rbcL and trnL-F as a two-locus DNA barcode for identification of NW-European ferns: an ecological perspective. PLoS One (2011) 1.25
GISSD: Group I Intron Sequence and Structure Database. Nucleic Acids Res (2007) 1.17
Ancient and modern environmental DNA. Philos Trans R Soc Lond B Biol Sci (2015) 1.16
The short ITS2 sequence serves as an efficient taxonomic sequence tag in comparison with the full-length ITS. Biomed Res Int (2013) 1.14
Detecting ingested plant DNA in soil-living insect larvae. Soil Biol Biochem (2011) 1.13
Comparative analysis of the complete sequence of the plastid genome of Parthenium argentatum and identification of DNA barcodes to differentiate Parthenium species and lines. BMC Plant Biol (2009) 1.13
DNA barcoding the Canadian Arctic flora: core plastid barcodes (rbcL + matK) for 490 vascular plant species. PLoS One (2013) 1.12
Proxy comparison in ancient peat sediments: pollen, macrofossil and plant DNA. Philos Trans R Soc Lond B Biol Sci (2015) 1.10
Complete sequencing and comparative analyses of the pepper (Capsicum annuum L.) plastome revealed high frequency of tandem repeats and large insertion/deletions on pepper plastome. Plant Cell Rep (2010) 1.02
Forensic botany: species identification of botanical trace evidence using a multigene barcoding approach. Int J Legal Med (2009) 1.02
Biological ingredient analysis of traditional Chinese medicine preparation based on high-throughput sequencing: the story for Liuwei Dihuang Wan. Sci Rep (2014) 0.98
Assessment of the food habits of the Moroccan dorcas gazelle in M'Sabih Talaa, west central Morocco, using the trnL approach. PLoS One (2012) 0.97
A DNA metabarcoding study of a primate dietary diversity and plasticity across its entire fragmented range. PLoS One (2013) 0.96
Deciduous trees and the application of universal DNA barcodes: a case study on the circumpolar Fraxinus. PLoS One (2012) 0.95
Unveiling cryptic species diversity of flowering plants: successful biological species identification of Asian Mitella using nuclear ribosomal DNA sequences. BMC Evol Biol (2009) 0.93
Unveiling the diet of elusive rainforest herbivores in next generation sequencing era? The tapir as a case study. PLoS One (2013) 0.91
DNA barcoding reveals limited accuracy of identifications based on folk taxonomy. PLoS One (2014) 0.91
Plant functional traits reveal the relative contribution of habitat and food preferences to the diet of grasshoppers. Oecologia (2013) 0.90
From benchtop to desktop: important considerations when designing amplicon sequencing workflows. PLoS One (2015) 0.90
DNA metabarcoding diet analysis for species with parapatric vs sympatric distribution: a case study on subterranean rodents. Heredity (Edinb) (2015) 0.90
Predicting plastid marker variation: can complete plastid genomes from closely related species help? PLoS One (2013) 0.89
The effect of plant identity and the level of plant decay on molecular gut content analysis in a herbivorous soil insect. Mol Ecol Resour (2012) 0.89
Fecal metagenomics for the simultaneous assessment of diet, parasites, and population genetics of an understudied primate. Front Zool (2016) 0.89
Reconstruction of structural evolution in the trnL intron P6b loop of symbiotic Nostoc (Cyanobacteria). Curr Genet (2011) 0.87
Links between plant and fungal communities across a deforestation chronosequence in the Amazon rainforest. ISME J (2014) 0.86
Rapid plant identification using species- and group-specific primers targeting chloroplast DNA. PLoS One (2012) 0.86
Group-specific multiplex PCR detection systems for the identification of flying insect prey. PLoS One (2014) 0.86
Arctic Small Rodents Have Diverse Diets and Flexible Food Selection. PLoS One (2013) 0.86
Telling plant species apart with DNA: from barcodes to genomes. Philos Trans R Soc Lond B Biol Sci (2016) 0.86
A DNA barcoding method to discriminate between the model plant Brachypodium distachyon and its close relatives B. stacei and B. hybridum (Poaceae). PLoS One (2012) 0.85
Evaluating a multigene environmental DNA approach for biodiversity assessment. Gigascience (2015) 0.85
Combined DNA, toxicological and heavy metal analyses provides an auditing toolkit to improve pharmacovigilance of traditional Chinese medicine (TCM). Sci Rep (2015) 0.84
Sampling strategy and potential utility of indels for DNA barcoding of closely related plant species: a case study in taxus. Int J Mol Sci (2012) 0.83
Climatic warming and the future of bison as grazers. Sci Rep (2015) 0.82
Stability and accuracy assessment of identification of traditional Chinese materia medica using DNA barcoding: a case study on Flos Lonicerae Japonicae. Biomed Res Int (2013) 0.82
Metabarcoding avian diets at airports: implications for birdstrike hazard management planning. Investig Genet (2013) 0.82
The Complete Chloroplast Genome Sequences of Three Veroniceae Species (Plantaginaceae): Comparative Analysis and Highly Divergent Regions. Front Plant Sci (2016) 0.81
Highly overlapping winter diet in two sympatric lemming species revealed by DNA metabarcoding. PLoS One (2015) 0.81
Advances in DNA metabarcoding for food and wildlife forensic species identification. Anal Bioanal Chem (2016) 0.80
Assessing molecular signature for some potential date (Phoenix dactylifera L.) cultivars from Saudi Arabia, based on chloroplast DNA sequences rpoB and psbA-trnH. Int J Mol Sci (2011) 0.80
Large-Scale Monitoring of Plants through Environmental DNA Metabarcoding of Soil: Recovery, Resolution, and Annotation of Four DNA Markers. PLoS One (2016) 0.80
Protocol for optimal quality and quantity pollen DNA isolation from honey samples. J Biomol Tech (2014) 0.79
Fast and efficient DNA-based method for winter diet analysis from stools of three cervids: moose, red deer, and roe deer. Acta Theriol (Warsz) (2013) 0.79
Taxonomic identification of mediterranean pines and their hybrids based on the high resolution melting (HRM) and trnL approaches: from cytoplasmic inheritance to timber tracing. PLoS One (2013) 0.78
DNA extraction protocol for biological ingredient analysis of Liuwei Dihuang Wan. Genomics Proteomics Bioinformatics (2014) 0.78
Efficiency of ITS sequences for DNA barcoding in Passiflora (Passifloraceae). Int J Mol Sci (2015) 0.78
Using metabarcoding to reveal and quantify plant-pollinator interactions. Sci Rep (2016) 0.78
Genetic data from algae sedimentary DNA reflect the influence of environment over geography. Sci Rep (2015) 0.77
Determining plant-leaf miner-parasitoid interactions: a DNA barcoding approach. PLoS One (2015) 0.77
DNA Metabarcoding Reveals Diet Overlap between the Endangered Walia Ibex and Domestic Goats - Implications for Conservation. PLoS One (2016) 0.76
Plant DNA detection from grasshopper guts: A step-by-step protocol, from tissue preparation to obtaining plant DNA sequences. Appl Plant Sci (2014) 0.76
A new way to contemplate Darwin's tangled bank: how DNA barcodes are reconnecting biodiversity science and biomonitoring. Philos Trans R Soc Lond B Biol Sci (2016) 0.76
DNA barcoding of the Mexican sedative and anxiolytic plant Galphimia glauca. J Ethnopharmacol (2012) 0.75
High diversity of picornaviruses in rats from different continents revealed by deep sequencing. Emerg Microbes Infect (2016) 0.75
Seasonal Shifts in Diet and Gut Microbiota of the American Bison (Bison bison). PLoS One (2015) 0.75
Lake sedimentary DNA accurately records 20(th) Century introductions of exotic conifers in Scotland. New Phytol (2016) 0.75
A molecular method to identify species of fine roots and to predict the proportion of a species in mixed samples in subtropical forests. Front Plant Sci (2015) 0.75
Development of Molecular Markers for Determining Continental Origin of Wood from White Oaks (Quercus L. sect. Quercus). PLoS One (2016) 0.75
The first initiative of DNA barcoding of ornamental plants from Egypt and potential applications in horticulture industry. PLoS One (2017) 0.75
In silico assessment of primers for eDNA studies using PrimerTree and application to characterize the biodiversity surrounding the Cuyahoga River. Sci Rep (2016) 0.75
Re-establishment of species from synonymies based on DNA barcoding and phylogenetic analysis using Diplopterygium simulans (Gleicheniaceae) as an example. PLoS One (2017) 0.75
Long-lasting modification of soil fungal diversity associated with the introduction of rabbits to a remote sub-Antarctic archipelago. Biol Lett (2015) 0.75
The complete chloroplast genome sequence of Helwingia himalaica (Helwingiaceae, Aquifoliales) and a chloroplast phylogenomic analysis of the Campanulidae. PeerJ (2016) 0.75
Bamboo tea: reduction of taxonomic complexity and application of DNA diagnostics based on rbcL and matK sequence data. PeerJ (2016) 0.75
Full Chloroplast Genome Assembly of 11 Diverse Watermelon Accessions. Front Genet (2017) 0.75
Integrating Biodiversity Data into Botanic Collections. Biodivers Data J (2016) 0.75
From writing to reading the encyclopedia of life. Philos Trans R Soc Lond B Biol Sci (2016) 0.75
Archaea and bacteria mediate the effects of native species root loss on fungi during plant invasion. ISME J (2017) 0.75
Diet Assessment Based on Rumen Contents: A Comparison between DNA Metabarcoding and Macroscopy. PLoS One (2016) 0.75
Continental-Scale Patterns Reveal Potential for Warming-Induced Shifts in Cattle Diet. PLoS One (2016) 0.75
Pleistocene glaciations, demographic expansion and subsequent isolation promoted morphological heterogeneity: A phylogeographic study of the alpine Rosa sericea complex (Rosaceae). Sci Rep (2015) 0.75
DNA Barcoding of Malagasy Rosewoods: Towards a Molecular Identification of CITES-Listed Dalbergia Species. PLoS One (2016) 0.75
Evaluation of DNA barcodes in Codonopsis (Campanulaceae) and in some large angiosperm plant genera. PLoS One (2017) 0.75
DNA barcoding of vouchered xylarium wood specimens of nine endangered Dalbergia species. Planta (2017) 0.75
Upscaling the niche variation hypothesis from the intra- to the inter-specific level. Oecologia (2015) 0.75
Biological identifications through DNA barcodes. Proc Biol Sci (2003) 54.14
The complete nucleotide sequence of the tobacco chloroplast genome: its gene organization and expression. EMBO J (1986) 19.59
Barcoding animal life: cytochrome c oxidase subunit 1 divergences among closely related species. Proc Biol Sci (2003) 19.42
Ten species in one: DNA barcoding reveals cryptic species in the neotropical skipper butterfly Astraptes fulgerator. Proc Natl Acad Sci U S A (2004) 18.32
Universal primers for amplification of three non-coding regions of chloroplast DNA. Plant Mol Biol (1991) 14.09
Identification of Birds through DNA Barcodes. PLoS Biol (2004) 11.80
Use of DNA barcodes to identify flowering plants. Proc Natl Acad Sci U S A (2005) 8.98
Modulation of non-templated nucleotide addition by Taq DNA polymerase: primer modifications that facilitate genotyping. Biotechniques (1996) 8.92
Ribosomal ITS sequences and plant phylogenetic inference. Mol Phylogenet Evol (2003) 6.82
Molecular microbial diversity of an anaerobic digestor as determined by small-subunit rDNA sequence analysis. Appl Environ Microbiol (1997) 6.04
Comparison of fungal mitochondrial introns reveals extensive homologies in RNA secondary structure. Biochimie (1982) 5.98
The tortoise and the hare II: relative utility of 21 noncoding chloroplast DNA sequences for phylogenetic analysis. Am J Bot (2005) 5.83
Molecular barcodes for soil nematode identification. Mol Ecol (2002) 5.35
Making ends meet: a model for RNA splicing in fungal mitochondria. Nature (1982) 5.27
Ancient DNA. Proc Biol Sci (2005) 4.84
Land plants and DNA barcodes: short-term and long-term goals. Philos Trans R Soc Lond B Biol Sci (2005) 4.58
Diverse plant and animal genetic records from Holocene and Pleistocene sediments. Science (2003) 4.48
The promise of DNA barcoding for taxonomy. Syst Biol (2005) 4.33
Molecular coproscopy: dung and diet of the extinct ground sloth Nothrotheriops shastensis. Science (1998) 3.78
Comparative performance of the 16S rRNA gene in DNA barcoding of amphibians. Front Zool (2005) 3.23
Substrate nucleotide-determined non-templated addition of adenine by Taq DNA polymerase: implications for PCR-based genotyping and cloning. Biotechniques (1996) 2.02
Noncoding plastid trnT-trnF sequences reveal a well resolved phylogeny of basal angiosperms. J Evol Biol (2003) 1.85
Molecular evolution of the trnL(UAA) intron in bryophytes. Mol Phylogenet Evol (2005) 1.02
A molecular identification system for grasses: a novel technology for forensic botany. Forensic Sci Int (2005) 1.02
Differentiation of important and closely related cereal plant species (Poaceae) in food by hybridization to an oligonucleotide array. J Agric Food Chem (2005) 0.99
Molecular systematics and biogeography of Crawfurdia, Metagentiana and Tripterospermum (Gentianaceae) based on nuclear ribosomal and plastid DNA sequences. Ann Bot (2005) 0.95
Faecalibacterium prausnitzii is an anti-inflammatory commensal bacterium identified by gut microbiota analysis of Crohn disease patients. Proc Natl Acad Sci U S A (2008) 14.18
The use of coded PCR primers enables high-throughput sequencing of multiple homolog amplification products by 454 parallel sequencing. PLoS One (2007) 9.17
Rise and fall of the Beringian steppe bison. Science (2004) 7.91
Ancient human genome sequence of an extinct Palaeo-Eskimo. Nature (2010) 7.51
Worldwide phylogeography of wild boar reveals multiple centers of pig domestication. Science (2005) 6.92
DNA barcoding for ecologists. Trends Ecol Evol (2008) 5.08
Species detection using environmental DNA from water samples. Biol Lett (2008) 4.96
An Aboriginal Australian genome reveals separate human dispersals into Asia. Science (2011) 4.84
Recharacterization of ancient DNA miscoding lesions: insights in the era of sequencing-by-synthesis. Nucleic Acids Res (2006) 4.70
DNA from pre-Clovis human coprolites in Oregon, North America. Science (2008) 3.92
Origins and genetic legacy of Neolithic farmers and hunter-gatherers in Europe. Science (2012) 3.82
Monitoring endangered freshwater biodiversity using environmental DNA. Mol Ecol (2011) 3.45
Recalibrating Equus evolution using the genome sequence of an early Middle Pleistocene horse. Nature (2013) 3.45
Ancient DNA reveals lack of continuity between neolithic hunter-gatherers and contemporary Scandinavians. Curr Biol (2009) 3.42
Differential adaptation of human gut microbiota to bariatric surgery-induced weight loss: links with metabolic and low-grade inflammation markers. Diabetes (2010) 3.39
ITS as an environmental DNA barcode for fungi: an in silico approach reveals potential PCR biases. BMC Microbiol (2010) 2.95
Whole-genome shotgun sequencing of mitochondria from ancient hair shafts. Science (2007) 2.85
Microbial dysbiosis in colorectal cancer (CRC) patients. PLoS One (2011) 2.84
Persistence of environmental DNA in freshwater ecosystems. PLoS One (2011) 2.75
Detection of a diverse marine fish fauna using environmental DNA from seawater samples. PLoS One (2012) 2.75
Characterization of genetic miscoding lesions caused by postmortem damage. Am J Hum Genet (2002) 2.61
Species-specific responses of Late Quaternary megafauna to climate and humans. Nature (2011) 2.60
New perspectives in diet analysis based on DNA barcoding and parallel pyrosequencing: the trnL approach. Mol Ecol Resour (2008) 2.58
Complete mitochondrial genome phylogeographic analysis of killer whales (Orcinus orca) indicates multiple species. Genome Res (2010) 2.50
Distribution patterns of postmortem damage in human mitochondrial DNA. Am J Hum Genet (2002) 2.46
UniPathway: a resource for the exploration and annotation of metabolic pathways. Nucleic Acids Res (2011) 2.45
Towards next-generation biodiversity assessment using DNA metabarcoding. Mol Ecol (2012) 2.43
Evolutionary consequences of autopolyploidy. New Phytol (2010) 2.40
Environmental DNA. Mol Ecol (2012) 2.36
Radiation of extant cetaceans driven by restructuring of the oceans. Syst Biol (2009) 2.33
Ancient hybridization and an Irish origin for the modern polar bear matriline. Curr Biol (2011) 2.33
Glacial survival of boreal trees in northern Scandinavia. Science (2012) 2.28
Assessing the fidelity of ancient DNA sequences amplified from nuclear genes. Genetics (2005) 2.21
Paleo-Eskimo mtDNA genome reveals matrilineal discontinuity in Greenland. Science (2008) 2.19
Plasmodium falciparum erythrocyte membrane protein 1 domain cassettes 8 and 13 are associated with severe malaria in children. Proc Natl Acad Sci U S A (2012) 2.17
Statistical assignment of DNA sequences using Bayesian phylogenetics. Syst Biol (2008) 2.13
Pre-Clovis mastodon hunting 13,800 years ago at the Manis site, Washington. Science (2011) 2.11
Ancient DNA reveals late survival of mammoth and horse in interior Alaska. Proc Natl Acad Sci U S A (2009) 2.10
The half-life of DNA in bone: measuring decay kinetics in 158 dated fossils. Proc Biol Sci (2012) 2.07
The goat domestication process inferred from large-scale mitochondrial DNA analysis of wild and domestic individuals. Proc Natl Acad Sci U S A (2008) 2.07
Frequent long-distance plant colonization in the changing Arctic. Science (2007) 2.06
mapDamage: testing for damage patterns in ancient DNA sequences. Bioinformatics (2011) 2.05
An in silico approach for the evaluation of DNA barcodes. BMC Genomics (2010) 1.99
Explorative genome scan to detect candidate loci for adaptation along a gradient of altitude in the common frog (Rana temporaria). Mol Biol Evol (2006) 1.90
Comparative assessment of human and farm animal faecal microbiota using real-time quantitative PCR. FEMS Microbiol Ecol (2009) 1.89
True single-molecule DNA sequencing of a pleistocene horse bone. Genome Res (2011) 1.88
Extreme reversed sexual size dimorphism in the extinct New Zealand moa Dinornis. Nature (2003) 1.85
The genetic origins of the Andaman Islanders. Am J Hum Genet (2002) 1.82
Ancient bacteria show evidence of DNA repair. Proc Natl Acad Sci U S A (2007) 1.81
Nuclear gene indicates coat-color polymorphism in mammoths. Science (2006) 1.77
Prey preference of snow leopard (Panthera uncia) in South Gobi, Mongolia. PLoS One (2012) 1.76
Genetic consequences of Pleistocene range shifts: contrast between the Arctic, the Alps and the East African mountains. Mol Ecol (2007) 1.76
Large-scale mitochondrial DNA analysis of the domestic goat reveals six haplogroups with high diversity. PLoS One (2007) 1.72
Geologically ancient DNA: fact or artefact? Trends Microbiol (2005) 1.71
A 10,000-year record of Arctic Ocean sea-ice variability--view from the beach. Science (2011) 1.70
Long-term persistence of bacterial DNA. Curr Biol (2004) 1.70
Analysing diet of small herbivores: the efficiency of DNA barcoding coupled with high-throughput pyrosequencing for deciphering the composition of complex plant mixtures. Front Zool (2009) 1.68
Genomic diversity and evolution of the head crest in the rock pigeon. Science (2013) 1.68
Universal DNA-based methods for assessing the diet of grazing livestock and wildlife from feces. J Agric Food Chem (2009) 1.67
Divergent mtDNA lineages of goats in an Early Neolithic site, far from the initial domestication areas. Proc Natl Acad Sci U S A (2006) 1.66
Ecological, morphological and genetic divergence of sympatric North Atlantic killer whale populations. Mol Ecol (2009) 1.65
Carnivore diet analysis based on next-generation sequencing: application to the leopard cat (Prionailurus bengalensis) in Pakistan. Mol Ecol (2012) 1.65
Associations between inverted repeats and the structural evolution of bacterial genomes. Genetics (2003) 1.65
Long-term evolutionary stability of bacterial endosymbiosis in curculionoidea: additional evidence of symbiont replacement in the dryophthoridae family. Mol Biol Evol (2008) 1.64
Meta-barcoding of 'dirt' DNA from soil reflects vertebrate biodiversity. Mol Ecol (2011) 1.63
Proteomic analysis of a pleistocene mammoth femur reveals more than one hundred ancient bone proteins. J Proteome Res (2011) 1.62
Improving ancient DNA read mapping against modern reference genomes. BMC Genomics (2012) 1.59
Identification of microsatellites from an extinct moa species using high-throughput (454) sequence data. Biotechniques (2009) 1.59
Integral membrane proteins of the chloroplast envelope: identification and subcellular localization of new transporters. Proc Natl Acad Sci U S A (2002) 1.58
Ancient DNA analyses exclude humans as the driving force behind late Pleistocene musk ox (Ovibos moschatus) population dynamics. Proc Natl Acad Sci U S A (2010) 1.55
Molecular- and pollen-based vegetation analysis in lake sediments from central Scandinavia. Mol Ecol (2013) 1.55
Glacial survival may matter after all: nunatak signatures in the rare European populations of two west-arctic species. Mol Ecol (2010) 1.54
More on contamination: the use of asymmetric molecular behavior to identify authentic ancient human DNA. Mol Biol Evol (2007) 1.53
Intraspecific phylogenetic analysis of Siberian woolly mammoths using complete mitochondrial genomes. Proc Natl Acad Sci U S A (2008) 1.53
One hundred twenty years of koala retrovirus evolution determined from museum skins. Mol Biol Evol (2012) 1.51
AFLP markers reveal high clonal diversity and extreme longevity in four key arctic-alpine species. Mol Ecol (2011) 1.49
Damage and repair of ancient DNA. Mutat Res (2005) 1.46
Evolution. The origin of insects. Science (2006) 1.45
Multidisciplinary medical identification of a French king's head (Henri IV). BMJ (2010) 1.45
Ancient DNA chronology within sediment deposits: are paleobiological reconstructions possible and is DNA leaching a factor? Mol Biol Evol (2007) 1.44