Class information for:
Level 1: DISSOLVED DNA//DNA EXTRACTION//NATURAL TRANSFORMATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
12710 886 35.9 74%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
50 3       ANAEROBIC DIGESTION//MICROBIAL FUEL CELL//WATER SCIENCE AND TECHNOLOGY 91931
1312 2             MICROBIOLOGY//PLANCTOMYCETES//PROPIDIUM MONOAZIDE 8512
12710 1                   DISSOLVED DNA//DNA EXTRACTION//NATURAL TRANSFORMATION 886

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 DISSOLVED DNA authKW 310159 1% 75% 12
2 DNA EXTRACTION authKW 245570 10% 8% 92
3 NATURAL TRANSFORMATION authKW 203162 3% 24% 25
4 SOIL DNA authKW 177212 2% 29% 18
5 METAGENOMIC DNA authKW 165407 1% 40% 12
6 SOIL DNA EXTRACTION authKW 164098 1% 48% 10
7 DNA PERSISTENCE authKW 146911 1% 47% 9
8 DNA ADSORPTION authKW 137831 2% 29% 14
9 CLAY DNA COMPLEX authKW 103388 0% 100% 3
10 TRANSGENIC PLANT DNA authKW 103388 0% 100% 3

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Microbiology 11759 48% 0% 425
2 Biotechnology & Applied Microbiology 5273 33% 0% 293
3 Soil Science 1965 9% 0% 81
4 Biochemical Research Methods 1222 13% 0% 116
5 Environmental Sciences 188 9% 0% 78
6 Ecology 105 5% 0% 44
7 Engineering, Environmental 77 3% 0% 26
8 Marine & Freshwater Biology 71 3% 0% 30
9 Biochemistry & Molecular Biology 38 10% 0% 92
10 Limnology 25 1% 0% 7

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 UMR 5557 50200 2% 7% 22
2 BIOTRON 47192 1% 14% 10
3 BIOL RHIZOSPHERE 45949 0% 67% 2
4 ECOL MICROBIENNE SOL 41036 1% 13% 9
5 AMPEREENVIRONM MICROBIAL GENOM GRPUMR 5005 34463 0% 100% 1
6 ARCHAEAL BIOL ECOGEN 34463 0% 100% 1
7 AVIAN DEV GENET 34463 0% 100% 1
8 BIOQUIM BIOTECNOL PLANTAS 34463 0% 100% 1
9 BIOTECHNOL BLD 227 34463 0% 100% 1
10 CELLULAR FUNT MODULATOR 34463 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 JOURNAL OF MICROBIOLOGICAL METHODS 32018 8% 1% 67
2 APPLIED AND ENVIRONMENTAL MICROBIOLOGY 14985 13% 0% 114
3 SOIL BIOLOGY & BIOCHEMISTRY 6697 5% 0% 41
4 FEMS MICROBIOLOGY ECOLOGY 6019 3% 1% 27
5 MICROBES AND ENVIRONMENTS 2236 1% 1% 6
6 EUROPEAN JOURNAL OF SOIL BIOLOGY 1391 1% 1% 7
7 BIOLOGY AND FERTILITY OF SOILS 1389 1% 0% 12
8 JOURNAL OF MICROBIOLOGY 1379 1% 0% 9
9 BIOTECHNIQUES 1255 2% 0% 15
10 LETTERS IN APPLIED MICROBIOLOGY 1245 2% 0% 14

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 DISSOLVED DNA 310159 1% 75% 12 Search DISSOLVED+DNA Search DISSOLVED+DNA
2 DNA EXTRACTION 245570 10% 8% 92 Search DNA+EXTRACTION Search DNA+EXTRACTION
3 NATURAL TRANSFORMATION 203162 3% 24% 25 Search NATURAL+TRANSFORMATION Search NATURAL+TRANSFORMATION
4 SOIL DNA 177212 2% 29% 18 Search SOIL+DNA Search SOIL+DNA
5 METAGENOMIC DNA 165407 1% 40% 12 Search METAGENOMIC+DNA Search METAGENOMIC+DNA
6 SOIL DNA EXTRACTION 164098 1% 48% 10 Search SOIL+DNA+EXTRACTION Search SOIL+DNA+EXTRACTION
7 DNA PERSISTENCE 146911 1% 47% 9 Search DNA+PERSISTENCE Search DNA+PERSISTENCE
8 DNA ADSORPTION 137831 2% 29% 14 Search DNA+ADSORPTION Search DNA+ADSORPTION
9 CLAY DNA COMPLEX 103388 0% 100% 3 Search CLAY+DNA+COMPLEX Search CLAY+DNA+COMPLEX
10 TRANSGENIC PLANT DNA 103388 0% 100% 3 Search TRANSGENIC+PLANT+DNA Search TRANSGENIC+PLANT+DNA

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 PIETRAMELLARA, G , ASCHER, J , BORGOGNI, F , CECCHERINI, MT , GUERRI, G , NANNIPIERI, P , (2009) EXTRACELLULAR DNA IN SOIL AND SEDIMENT: FATE AND ECOLOGICAL RELEVANCE.BIOLOGY AND FERTILITY OF SOILS. VOL. 45. ISSUE 3. P. 219 -235 77 53% 102
2 ROBE, P , NALIN, R , CAPELLANO, C , VOGEL, TA , SIMONET, P , (2003) EXTRACTION OF DNA FROM SOIL.EUROPEAN JOURNAL OF SOIL BIOLOGY. VOL. 39. ISSUE 4. P. 183-190 46 71% 118
3 LEVY-BOOTH, DJ , CAMPBELL, RG , GULDEN, RH , HART, MM , POWELL, JR , KLIRONOMOS, JN , PAULS, KP , SWANTON, CJ , TREVORS, JT , DUNFIELD, KE , (2007) CYCLING OF EXTRACELLULAR DNA IN THE SOIL ENVIRONMENT.SOIL BIOLOGY & BIOCHEMISTRY. VOL. 39. ISSUE 12. P. 2977-2991 59 47% 106
4 RAJENDHRAN, J , GUNASEKARAN, P , (2008) STRATEGIES FOR ACCESSING SOIL METAGENOME FOR DESIRED APPLICATIONS.BIOTECHNOLOGY ADVANCES. VOL. 26. ISSUE 6. P. 576-590 59 48% 57
5 PAULIN, MM , NICOLAISEN, MH , JACOBSEN, CS , GIMSING, AL , SORENSEN, J , BAELUM, J , (2013) IMPROVING GRIFFITH'S PROTOCOL FOR CO-EXTRACTION OF MICROBIAL DNA AND RNA IN ADSORPTIVE SOILS.SOIL BIOLOGY & BIOCHEMISTRY. VOL. 63. ISSUE . P. 37-49 37 70% 16
6 SHARMA, S , SHARMA, KK , KUHAD, RC , (2014) AN EFFICIENT AND ECONOMICAL METHOD FOR EXTRACTION OF DNA AMENABLE TO BIOTECHNOLOGICAL MANIPULATIONS, FROM DIVERSE SOILS AND SEDIMENTS.JOURNAL OF APPLIED MICROBIOLOGY. VOL. 116. ISSUE 4. P. 923-933 32 80% 5
7 LAKAY, FM , BOTHA, A , PRIOR, BA , (2007) COMPARATIVE ANALYSIS OF ENVIRONMENTAL DNA EXTRACTION AND PURIFICATION METHODS FROM DIFFERENT HUMIC ACID-RICH SOILS.JOURNAL OF APPLIED MICROBIOLOGY. VOL. 102. ISSUE 1. P. 265-273 28 93% 77
8 ZHU, B , (2006) DEGRADATION OF PLASMID AND PLANT DNA IN WATER MICROCOSMS MONITORED BY NATURAL TRANSFORMATION AND REAL-TIME POLYMERASE CHAIN REACTION (PCR).WATER RESEARCH. VOL. 40. ISSUE 17. P. 3231-3238 29 94% 30
9 KUNITO, T , IHYO, Y , MIYAHARA, H , SETA, R , YOSHIDA, S , KUBO, H , NAGAOKA, K , SAKAI, M , SAEKI, K , (2016) SOIL PROPERTIES AFFECTING ADSORPTION OF PLASMID DNA AND ITS TRANSFORMATION EFFICIENCY IN ESCHERICHIA COLI.BIOLOGY AND FERTILITY OF SOILS. VOL. 52. ISSUE 2. P. 223 -231 28 76% 0
10 ZHU, B , MA, BL , BLACKSHAW, RE , (2010) DEVELOPMENT OF REAL TIME PCR ASSAYS FOR DETECTION AND QUANTIFICATION OF TRANSGENE DNA OF A BACILLUS THURINGIENSIS (BT) CORN HYBRID IN SOIL SAMPLES.TRANSGENIC RESEARCH. VOL. 19. ISSUE 5. P. 765-774 30 79% 2

Classes with closest relation at Level 1


Rank Class id link
1 11221 PLASMID TRANSFER//GENETICALLY ENGINEERED MICROORGANISMS//GENETIC BIOAUGMENTATION
2 19594 METAGENOMIC LIBRARY//FUNCTIONAL METAGENOMICS//METAGENOME
3 21303 ARTIFICIAL TRANSFORMATION//E COLI COMPETENCE//SXY
4 35667 GENETIC INSTRUCTIONS//EXCLUSION ZONE EZ//BIOLOGICAL DENITRIFICATION INHIBITION
5 22430 ENVIRONMENTAL DNA//EDNA//METABARCODING
6 24226 T RFLP//TERMINAL RESTRICTION FRAGMENT LENGTH POLYMORPHISM//LENGTH HETEROGENEITY PCR LH PCR
7 35939 ACTIVATED BIOMASS//EFFLUENT TREATMENT PLANT ETP//STAIRCASE ELECTROPHORESIS
8 18006 DEEP BIOSPHERE//GEOMICROBIOL//GEOMICROBIOL GRP
9 24827 METAPROTEOMICS//PROTEIN SIP//SOIL METAPROTEOMICS
10 1128 PLFA//PHOSPHOLIPID FATTY ACIDS//BIOLOG

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