cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.15468/dl.vgq84c
title: Occurrence Download

description: A dataset containing 12 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is one of (Observation, Machine Observation, Human Observation)",
 "OccurrenceStatus is Present",
 "TaxonKey is Microhyla okinavensis Stejneger, 1901"
 ]
}

 The dataset includes 12 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0245810-220831081235567/datasets/export for details.
DOI: 10.15468/dl.8dy535
title: Occurrence Download

description: A dataset containing 1515 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Euchelus atratus (Gmelin, 1791)"
 ]
}

 The dataset includes 1515 records from 72 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0087199-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.xs4mxp
title: Occurrence Download

description: A dataset containing 5 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Epilichas atricolor Lewis, 1895",
 "HasCoordinate is true",
 "Country is Japan",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 5 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0221351-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/inscriptifact-ouc112040743
title: Cuneiform Tablet 1913.14.1716, Spurlock 1913.14.1716

description: [Text Description:] Receipt of offering lamb ❧ [Text or Publication Number Note:] Spurlock 1913.14.1716; CDLI P421567 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Brownish Pink (5YR 8/2) Yellowish Gray (10YR 8.5/2) ❧ [Physical Object Note:] 3.9 x 2.8 x 1.6 cm (20 g)
DOI: 10.5517/ccdc.csd.cc2fdlt8
title: CCDC 2246440: Experimental Crystal Structure Determination

description: Related Article: Guoshuai Li, Yifei Yan, Jinghong Tang, Qingxue Ma, Jun Huang, Xiaohua Xu, Zhong Jin|2024|Org.Lett.|26|4733|doi:10.1021/acs.orglett.4c01460
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.15468/dl.7rkkvq
title: Occurrence Download

description: A dataset containing 104 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Gladiolus murielae Kelway"
 ]
}

 The dataset includes 104 records from 38 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0229083-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.5517/ccdc.csd.cc2fmbfv
title: CCDC 2252907: Experimental Crystal Structure Determination

description: Related Article: Stefan Buss, Lukas Ketter, Dana Brünink, Dominik Schwab, Steffen Klenner, Alexander Hepp, Jutta Kösters, Thomas J. Schmidt, Rainer Pöttgen, Nikos L. Doltsinis, Cristian A. Strassert|2024|Inorg.Chem.|63|10114|doi:10.1021/acs.inorgchem.3c02727
description: An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.
DOI: 10.25549/inscriptifact-ouc112041972
title: Cuneiform Tablet 1913.14.1722, Spurlock 1913.14.1722

description: [Text Description:] Document concerning silver and bread ❧ [Text or Publication Number Note:] Spurlock 1913.14.1722; CDLI P421573 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Brownish Pink (5YR 7.5/1.5) Yellowish White (10YR 9/2) ❧ [Physical Object Note:] 4.2 x 3 x 1.5 cm (19 g)
DOI: 10.15468/dl.3fdmf6
title: Occurrence Download

description: A dataset containing 357 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Specimen",
 "Country is one of (Japan, Korea, Republic of)",
 "HasCoordinate is true",
 "HasGeospatialIssue is false",
 "TaxonKey is Taraxacum albidum Dahlst."
 ]
}

 The dataset includes 357 records from 31 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0218057-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.kkwwv4
title: Occurrence Download

description: A dataset containing 226 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Justicia diclipteroides Lindau"
 ]
}

 The dataset includes 226 records from 30 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0260214-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.a4ywj3
title: Occurrence Download

description: A dataset containing 5442 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Human Observation",
 "Country is Mexico",
 "TaxonKey is Ara militaris (Linnaeus, 1766)"
 ]
}

 The dataset includes 5442 records from 14 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0229105-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.gaypzq
title: Occurrence Download

description: A dataset containing 5878 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Diploderma swinhonis (Günther, 1864)"
 ]
}

 The dataset includes 5878 records from 38 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0248434-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/inscriptifact-ouc112040826
title: Cuneiform Tablet 1913.14.1716, Spurlock 1913.14.1716

description: [Text Description:] Receipt of offering lamb ❧ [Text or Publication Number Note:] Spurlock 1913.14.1716; CDLI P421567 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Brownish Pink (5YR 8/2) Yellowish Gray (10YR 8.5/2) ❧ [Physical Object Note:] 3.9 x 2.8 x 1.6 cm (20 g)
DOI: 10.25549/inscriptifact-ouc112040788
title: Cuneiform Tablet 1913.14.1716, Spurlock 1913.14.1716

description: [Text Description:] Receipt of offering lamb ❧ [Text or Publication Number Note:] Spurlock 1913.14.1716; CDLI P421567 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Brownish Pink (5YR 8/2) Yellowish Gray (10YR 8.5/2) ❧ [Physical Object Note:] 3.9 x 2.8 x 1.6 cm (20 g)
DOI: 10.15468/dl.3uty8a
title: Occurrence Download

description: A dataset containing 271 species occurrences available in GBIF matching the query:
{
 "and" : [
 "Year is greater than or equal to 1970",
 "TaxonKey is Culicoides wadai Kitaoka, 1980",
 "HasCoordinate is true",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 271 records from 2 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0230734-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8vsfaz
title: Occurrence Download

description: A dataset containing 207 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Galerina Earle, 1909",
 "TypeStatus is Holotype"
 ]
}

 The dataset includes 207 records from 18 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0233593-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.cj8cpe
title: Occurrence Download

description: A dataset containing 291 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Justicia plumbaginifolia J.Jacq."
 ]
}

 The dataset includes 291 records from 37 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0260213-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/inscriptifact-ouc112041749
title: Cuneiform Tablet 1913.14.1722, Spurlock 1913.14.1722

description: [Text Description:] Document concerning silver and bread ❧ [Text or Publication Number Note:] Spurlock 1913.14.1722; CDLI P421573 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Brownish Pink (5YR 7.5/1.5) Yellowish White (10YR 9/2) ❧ [Physical Object Note:] 4.2 x 3 x 1.5 cm (19 g)
DOI: 10.15468/dl.racbz8
title: Occurrence Download

description: A dataset containing 669 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Juncus diastrophanthus Buchenau"
 ]
}

 The dataset includes 669 records from 73 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0248435-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.g3dutv
title: Occurrence Download

description: A dataset containing 282242 species occurrences available in GBIF matching the query:
{
 "and" : [
 "BasisOfRecord is Fossil",
 "Geometry POLYGON((-125.24011 42.6122,-125.43373 40.06876,-123.01348 36.06924,-118.41499 32.22486,-115.46228 32.1839,-115.17185 33.04013,-116.52719 34.52861,-120.59322 37.23423,-121.85175 39.1364,-122.86826 42.57656,-125.24011 42.6122))",
 "HasGeospatialIssue is false",
 "OccurrenceStatus is Present"
 ]
}

 The dataset includes 282242 records from 33 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0250926-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.qxdts2
title: Occurrence Download

description: A dataset containing 80 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Tetraloniella alticincta (Lepeletier, 1841)"
 ]
}

 The dataset includes 80 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0245822-220831081235567/datasets/export for details.
DOI: 10.15468/dl.x33gg9
title: Occurrence Download

description: A dataset containing 2010 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Cercidiphyllum japonicum Siebold & Zucc.",
 "HasGeospatialIssue is false",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 {
 "not" : {
 "BasisOfRecord" : [
 "is one of (Fossil, Living Specimen)"
 ]
 }
 },
 "Year 1990-2020"
 ]
}

 The dataset includes 2010 records from 69 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0260769-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.25549/inscriptifact-ouc112039270
title: Cuneiform Tablet 1913.14.1701, Spurlock 1913.14.1701

description: [Text Description:] Administrative tablet ❧ [Text or Publication Number Note:] Spurlock 1913.14.1701; CDLI P421552 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Yellowish Gray (2.5Y 8/2) -body Purplish Gray (5P 5/1) -Light discoloration Dark Gray (N 3.5/ 9.0% R) -dark discoloration ❧ [Physical Object Note:] 3.7 x 3.8 x 1.5 cm (15 g)
DOI: 10.15468/dl.eraq7m
title: Occurrence Download

description: A dataset containing 26159 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Rhizophora mangle L."
 ]
}

 The dataset includes 26159 records from 351 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0229101-230224095556074/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.15468/dl.8xzkdn
title: Occurrence Download

description: A dataset containing 0 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is Bruniales",
 "HasCoordinate is true",
 "Country is Japan",
 "HasGeospatialIssue is false"
 ]
}

 The dataset includes 0 records from 0 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0255596-220831081235567/datasets/export for details.
DOI: 10.25549/inscriptifact-ouc112039271
title: Cuneiform Tablet 1913.14.1701, Spurlock 1913.14.1701

description: [Text Description:] Administrative tablet ❧ [Text or Publication Number Note:] Spurlock 1913.14.1701; CDLI P421552 ❧ [Medium:] Clay ❧ [Script Note:] Non-Alphabetic Cuneiform ❧ [Physical Object Description:] Yellowish Gray (2.5Y 8/2) -body Purplish Gray (5P 5/1) -Light discoloration Dark Gray (N 3.5/ 9.0% R) -dark discoloration ❧ [Physical Object Note:] 3.7 x 3.8 x 1.5 cm (15 g)
DOI: 10.15468/dl.46ypdf
title: Occurrence Download

description: A dataset containing 1090992 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is Sambucus L."
 ]
}

 The dataset includes 1090992 records from 3019 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0238279-220831081235567/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.57702/ohidekey
title: Human Object Interaction Detection

description: The HICO-DET dataset is a large-scale human-object interaction (HOI) detection dataset, containing 9,658 images annotated with 600 HOI triplets.
DOI: 10.13145/bacdive173633.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173634.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173634.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173635.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173635.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/v7p1u4ij
title: Tristimulus Values

description: The Tristimulus Values X, Y, Z are often used as three parameters specifying a color. These values are themselves measures of the intensity function folded with various weighting functions, namely the Spectral Tristimulus Values as given, for example, in the C.E.I. 1931 Standard.
DOI: 10.13145/bacdive173636.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173636.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173637.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173637.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173638.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/8mvfgqfa
title: DrivingStereo

description: A real-world stereo dataset containing both indoor and outdoor environments via robot teleoperation.
DOI: 10.13145/bacdive173638.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173639.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173639.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173640.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/epdvaqfd
title: Multiple Causal Models

description: The dataset used in the paper is a collection of probabilistic causal models, each representing a potentially socially-sensitive scenario.
DOI: 10.13145/bacdive173640.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173641.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173641.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/d1y9kir2
title: GTZAN

description: The GTZAN dataset is a comprehensive collection of 1000 audio tracks, each 30 seconds long, representing ten diverse music genres.
DOI: 10.13145/bacdive173642.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173642.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173643.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173643.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/3zsvk5cw
title: Chest ImaGenome dataset

description: Chest ImaGenome dataset
DOI: 10.13145/bacdive173644.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173644.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/2dl3q7yg
title: Exercise-specific feature extraction approach for assessing physical rehabilitation

description: Exercise-specific feature extraction approach for assessing physical rehabilitation.
DOI: 10.13145/bacdive173645.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173645.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173646.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/a3vycyzz
title: Webset

description: Webset is a dataset used for tongue segmentation.
DOI: 10.13145/bacdive173646.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173647.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/bu851trh
title: PHENOM consortium dataset

description: The PHENOM consortium dataset contains neuroimaging data from 5,456 individuals, including 2,456 individuals with schizophrenia.
DOI: 10.13145/bacdive173647.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173648.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173648.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173649.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173649.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/o64r2h17
title: TallyQA

description: The TallyQA dataset is a large-scale open-ended visual counting dataset, which is well-suited to study statistical shortcuts.
DOI: 10.13145/bacdive173650.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.57702/9g2s910d
title: US Census 1990

description: A dataset from the 1990 US Census, containing personal features and demographic information.
DOI: 10.13145/bacdive173650.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173651.20241212.9.2
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.
DOI: 10.13145/bacdive173651.20251217.10
title: Bacillus sphaericus

description: The range of data encompasses taxonomy, morphology, physiology, sampling and concomitant environmental conditions as well as molecular biology.