Applied Microbiology and Biotechnology

Mini-Reviews are short reviews critically summarizing the current state of and providing perspectives on biotechnological processes, products, microbial genomes, methods and equipment. Papers should deal with the following aspects of applied microbiology and biotechnology: Biotechnological products and process engineering Established and in pipe technologies of biotechnological processes using prokaryotic or eukaryotic cells or enzymes and other proteins for production, conversion, degradation and detection of substances including bioreactor design. Biotechnologically relevant enzymes and proteins Characterization of hitherto undescribed, biotechnologically relevant enzymes and proteins or of known proteins with novel properties and purification of proteins on a technical scale. Bioenergy and biofuels Biotechnological processes for production of fuels, combustible chemicals and other forms of energy. Applied genetics and molecular biotechnology New vectors and methods for genetic transformation and all aspects of strain improvement employing recombinant DNA technology including metabolic engineering and enzyme engineering. Genomics, transcriptomics, proteomics Characterization and analyses of genomes, transcriptomes and proteomes. Applied microbial and cell physiology Physiological studies on biosynthesis, catabolism and biotransformation of biotechnologically relevant compounds. Environmental biotechnology All aspects of environmental processes using microorganisms and biodegradation of hazardous chemicals. Methods and protocols Novel methods and techniques or significant modifications of already described methods or new combinations of methods yielding significant improvements. Their novelty and reliability must be concisely presented.

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Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Category	Year	Quartile
Applied Microbiology and Biotechnology	1999	Q1
Applied Microbiology and Biotechnology	2000	Q1
Applied Microbiology and Biotechnology	2001	Q1
Applied Microbiology and Biotechnology	2002	Q1
Applied Microbiology and Biotechnology	2003	Q1
Applied Microbiology and Biotechnology	2004	Q1
Applied Microbiology and Biotechnology	2005	Q1
Applied Microbiology and Biotechnology	2006	Q1
Applied Microbiology and Biotechnology	2007	Q1
Applied Microbiology and Biotechnology	2008	Q1
Applied Microbiology and Biotechnology	2009	Q1
Applied Microbiology and Biotechnology	2010	Q1
Applied Microbiology and Biotechnology	2011	Q1
Applied Microbiology and Biotechnology	2012	Q1
Applied Microbiology and Biotechnology	2013	Q1
Applied Microbiology and Biotechnology	2014	Q1
Applied Microbiology and Biotechnology	2015	Q1
Applied Microbiology and Biotechnology	2016	Q1
Applied Microbiology and Biotechnology	2017	Q1
Applied Microbiology and Biotechnology	2018	Q1
Applied Microbiology and Biotechnology	2019	Q1
Applied Microbiology and Biotechnology	2020	Q1
Biotechnology	1999	Q1
Biotechnology	2000	Q1
Biotechnology	2001	Q1
Biotechnology	2002	Q1
Biotechnology	2003	Q1
Biotechnology	2004	Q1
Biotechnology	2005	Q1
Biotechnology	2006	Q1
Biotechnology	2007	Q2
Biotechnology	2008	Q1
Biotechnology	2009	Q1
Biotechnology	2010	Q1
Biotechnology	2011	Q1
Biotechnology	2012	Q1
Biotechnology	2013	Q1
Biotechnology	2014	Q1
Biotechnology	2015	Q1
Biotechnology	2016	Q1
Biotechnology	2017	Q1
Biotechnology	2018	Q1
Biotechnology	2019	Q1
Biotechnology	2020	Q1
Medicine (miscellaneous)	1999	Q1
Medicine (miscellaneous)	2000	Q1
Medicine (miscellaneous)	2001	Q1
Medicine (miscellaneous)	2002	Q1
Medicine (miscellaneous)	2003	Q1
Medicine (miscellaneous)	2004	Q1
Medicine (miscellaneous)	2005	Q1
Medicine (miscellaneous)	2006	Q1
Medicine (miscellaneous)	2007	Q1
Medicine (miscellaneous)	2008	Q1
Medicine (miscellaneous)	2009	Q1
Medicine (miscellaneous)	2010	Q1
Medicine (miscellaneous)	2011	Q1
Medicine (miscellaneous)	2012	Q1
Medicine (miscellaneous)	2013	Q1
Medicine (miscellaneous)	2014	Q1
Medicine (miscellaneous)	2015	Q1
Medicine (miscellaneous)	2016	Q1
Medicine (miscellaneous)	2017	Q1
Medicine (miscellaneous)	2018	Q1
Medicine (miscellaneous)	2019	Q1
Medicine (miscellaneous)	2020	Q1

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
1999	1.130
2000	0.835
2001	0.875
2002	0.937
2003	0.977
2004	1.181
2005	1.131
2006	1.138
2007	1.037
2008	1.249
2009	1.363
2010	1.389
2011	1.437
2012	1.488
2013	1.540
2014	1.332
2015	1.256
2016	1.200
2017	1.182
2018	1.127
2019	1.058
2020	1.074

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
1999	270
2000	220
2001	359
2002	294
2003	242
2004	316
2005	317
2006	516
2007	642
2008	468
2009	428
2010	696
2011	640
2012	670
2013	933
2014	866
2015	894
2016	872
2017	701
2018	859
2019	741
2020	785

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	1999	1.813
Cites / Doc. (4 years)	2000	1.732
Cites / Doc. (4 years)	2001	1.975
Cites / Doc. (4 years)	2002	2.121
Cites / Doc. (4 years)	2003	2.374
Cites / Doc. (4 years)	2004	2.662
Cites / Doc. (4 years)	2005	3.048
Cites / Doc. (4 years)	2006	3.271
Cites / Doc. (4 years)	2007	3.228
Cites / Doc. (4 years)	2008	3.219
Cites / Doc. (4 years)	2009	3.468
Cites / Doc. (4 years)	2010	3.938
Cites / Doc. (4 years)	2011	4.158
Cites / Doc. (4 years)	2012	4.548
Cites / Doc. (4 years)	2013	4.779
Cites / Doc. (4 years)	2014	4.503
Cites / Doc. (4 years)	2015	4.168
Cites / Doc. (4 years)	2016	3.980
Cites / Doc. (4 years)	2017	3.918
Cites / Doc. (4 years)	2018	4.169
Cites / Doc. (4 years)	2019	4.084
Cites / Doc. (4 years)	2020	4.698
Cites / Doc. (3 years)	1999	1.813
Cites / Doc. (3 years)	2000	1.680
Cites / Doc. (3 years)	2001	1.943
Cites / Doc. (3 years)	2002	2.092
Cites / Doc. (3 years)	2003	2.269
Cites / Doc. (3 years)	2004	2.638
Cites / Doc. (3 years)	2005	3.026
Cites / Doc. (3 years)	2006	3.111
Cites / Doc. (3 years)	2007	2.928
Cites / Doc. (3 years)	2008	3.048
Cites / Doc. (3 years)	2009	3.361
Cites / Doc. (3 years)	2010	3.942
Cites / Doc. (3 years)	2011	4.071
Cites / Doc. (3 years)	2012	4.494
Cites / Doc. (3 years)	2013	4.732
Cites / Doc. (3 years)	2014	4.189
Cites / Doc. (3 years)	2015	3.957
Cites / Doc. (3 years)	2016	3.826
Cites / Doc. (3 years)	2017	3.877
Cites / Doc. (3 years)	2018	4.045
Cites / Doc. (3 years)	2019	3.965
Cites / Doc. (3 years)	2020	4.617
Cites / Doc. (2 years)	1999	1.770
Cites / Doc. (2 years)	2000	1.599
Cites / Doc. (2 years)	2001	1.894
Cites / Doc. (2 years)	2002	1.948
Cites / Doc. (2 years)	2003	2.178
Cites / Doc. (2 years)	2004	2.603
Cites / Doc. (2 years)	2005	2.869
Cites / Doc. (2 years)	2006	2.839
Cites / Doc. (2 years)	2007	2.651
Cites / Doc. (2 years)	2008	2.870
Cites / Doc. (2 years)	2009	3.222
Cites / Doc. (2 years)	2010	3.672
Cites / Doc. (2 years)	2011	3.884
Cites / Doc. (2 years)	2012	4.373
Cites / Doc. (2 years)	2013	4.213
Cites / Doc. (2 years)	2014	3.800
Cites / Doc. (2 years)	2015	3.692
Cites / Doc. (2 years)	2016	3.715
Cites / Doc. (2 years)	2017	3.659
Cites / Doc. (2 years)	2018	3.866
Cites / Doc. (2 years)	2019	3.714
Cites / Doc. (2 years)	2020	4.701

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	1999	174
Self Cites	2000	127
Self Cites	2001	172
Self Cites	2002	172
Self Cites	2003	155
Self Cites	2004	202
Self Cites	2005	184
Self Cites	2006	234
Self Cites	2007	378
Self Cites	2008	306
Self Cites	2009	407
Self Cites	2010	632
Self Cites	2011	554
Self Cites	2012	525
Self Cites	2013	794
Self Cites	2014	787
Self Cites	2015	835
Self Cites	2016	853
Self Cites	2017	547
Self Cites	2018	688
Self Cites	2019	584
Self Cites	2020	601
Total Cites	1999	1371
Total Cites	2000	1248
Total Cites	2001	1391
Total Cites	2002	1776
Total Cites	2003	1981
Total Cites	2004	2361
Total Cites	2005	2578
Total Cites	2006	2722
Total Cites	2007	3364
Total Cites	2008	4496
Total Cites	2009	5465
Total Cites	2010	6063
Total Cites	2011	6481
Total Cites	2012	7927
Total Cites	2013	9492
Total Cites	2014	9396
Total Cites	2015	9771
Total Cites	2016	10304
Total Cites	2017	10203
Total Cites	2018	9979
Total Cites	2019	9644
Total Cites	2020	10623

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	1999	1.583
External Cites per document	2000	1.511
External Cites per document	2001	1.707
External Cites per document	2002	1.894
External Cites per document	2003	2.094
External Cites per document	2004	2.412
External Cites per document	2005	2.810
External Cites per document	2006	2.843
External Cites per document	2007	2.601
External Cites per document	2008	2.848
External Cites per document	2009	3.120
External Cites per document	2010	3.543
External Cites per document	2011	3.728
External Cites per document	2012	4.203
External Cites per document	2013	4.340
External Cites per document	2014	3.842
External Cites per document	2015	3.619
External Cites per document	2016	3.511
External Cites per document	2017	3.674
External Cites per document	2018	3.775
External Cites per document	2019	3.733
External Cites per document	2020	4.361
Cites per document	1999	1.813
Cites per document	2000	1.680
Cites per document	2001	1.943
Cites per document	2002	2.092
Cites per document	2003	2.269
Cites per document	2004	2.638
Cites per document	2005	3.026
Cites per document	2006	3.111
Cites per document	2007	2.928
Cites per document	2008	3.048
Cites per document	2009	3.361
Cites per document	2010	3.942
Cites per document	2011	4.071
Cites per document	2012	4.494
Cites per document	2013	4.732
Cites per document	2014	4.189
Cites per document	2015	3.957
Cites per document	2016	3.826
Cites per document	2017	3.877
Cites per document	2018	4.045
Cites per document	2019	3.965
Cites per document	2020	4.617

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
1999	16.67
2000	16.36
2001	13.65
2002	22.45
2003	16.53
2004	15.51
2005	19.56
2006	19.57
2007	21.18
2008	21.79
2009	20.33
2010	20.11
2011	24.69
2012	20.60
2013	21.86
2014	28.29
2015	24.50
2016	26.15
2017	25.25
2018	28.29
2019	25.10
2020	24.97

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	1999	0
Non-citable documents	2000	1
Non-citable documents	2001	2
Non-citable documents	2002	2
Non-citable documents	2003	1
Non-citable documents	2004	0
Non-citable documents	2005	0
Non-citable documents	2006	0
Non-citable documents	2007	1
Non-citable documents	2008	4
Non-citable documents	2009	5
Non-citable documents	2010	5
Non-citable documents	2011	2
Non-citable documents	2012	3
Non-citable documents	2013	2
Non-citable documents	2014	2
Non-citable documents	2015	0
Non-citable documents	2016	1
Non-citable documents	2017	4
Non-citable documents	2018	6
Non-citable documents	2019	5
Non-citable documents	2020	3
Citable documents	1999	756
Citable documents	2000	742
Citable documents	2001	714
Citable documents	2002	847
Citable documents	2003	872
Citable documents	2004	895
Citable documents	2005	852
Citable documents	2006	875
Citable documents	2007	1148
Citable documents	2008	1471
Citable documents	2009	1621
Citable documents	2010	1533
Citable documents	2011	1590
Citable documents	2012	1761
Citable documents	2013	2004
Citable documents	2014	2241
Citable documents	2015	2469
Citable documents	2016	2692
Citable documents	2017	2628
Citable documents	2018	2461
Citable documents	2019	2427
Citable documents	2020	2298

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	1999	225
Uncited documents	2000	237
Uncited documents	2001	211
Uncited documents	2002	249
Uncited documents	2003	201
Uncited documents	2004	206
Uncited documents	2005	170
Uncited documents	2006	184
Uncited documents	2007	220
Uncited documents	2008	281
Uncited documents	2009	264
Uncited documents	2010	203
Uncited documents	2011	186
Uncited documents	2012	184
Uncited documents	2013	196
Uncited documents	2014	280
Uncited documents	2015	288
Uncited documents	2016	345
Uncited documents	2017	332
Uncited documents	2018	306
Uncited documents	2019	297
Uncited documents	2020	211
Cited documents	1999	531
Cited documents	2000	506
Cited documents	2001	505
Cited documents	2002	600
Cited documents	2003	672
Cited documents	2004	689
Cited documents	2005	682
Cited documents	2006	691
Cited documents	2007	929
Cited documents	2008	1194
Cited documents	2009	1362
Cited documents	2010	1335
Cited documents	2011	1406
Cited documents	2012	1580
Cited documents	2013	1810
Cited documents	2014	1963
Cited documents	2015	2181
Cited documents	2016	2348
Cited documents	2017	2300
Cited documents	2018	2161
Cited documents	2019	2135
Cited documents	2020	2090