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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 63 10132 9356 272 263 153 15685

Danny J. Llewellyn publications per year

The chart shows the history of publications by Danny J. Llewellyn between 1978 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Danny J. Llewellyn published across 47 years, from 1978 to 2024, averaging 3.4 papers a year. Output peaked at 8 publications in 2007. 1 of the 158 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1978 to 2024. Vertical axis: number of publications, 0 to 8. Peak 8 publications in 2007. 1978: 1 publication 1979: 1 publication 1980: 2 publications 1981: 1 publication 1982: 0 publications 1983: 2 publications 1984: 1 publication 1985: 0 publications 1986: 1 publication 1987: 6 publications 1988: 2 publications 1989: 3 publications 1990: 6 publications 1991: 4 publications 1992: 0 publications 1993: 3 publications 1994: 2 publications 1995: 4 publications 1996: 4 publications 1997: 7 publications 1998: 3 publications 1999: 3 publications 2000: 5 publications 2001: 1 publication 2002: 7 publications 2003: 2 publications 2004: 1 publication 2005: 5 publications 2006: 3 publications 2007: 8 publications 2008: 4 publications 2009: 5 publications 2010: 8 publications 2011: 4 publications 2012: 7 publications 2013: 5 publications 2014: 4 publications 2015: 5 publications 2016: 5 publications 2017: 5 publications 2018: 5 publications 2019: 1 publication 2020: 6 publications 2021: 1 publication 2022: 4 publications 2023: 0 publications 2024: 1 publication
1978 2024

158 publications in total across all disciplines

View publications per year as a table
Danny J. Llewellyn: publications per year, 1978 to 2024
Year Publications
1978 1
1979 1
1980 2
1981 1
1982 0
1983 2
1984 1
1985 0
1986 1
1987 6
1988 2
1989 3
1990 6
1991 4
1992 0
1993 3
1994 2
1995 4
1996 4
1997 7
1998 3
1999 3
2000 5
2001 1
2002 7
2003 2
2004 1
2005 5
2006 3
2007 8
2008 4
2009 5
2010 8
2011 4
2012 7
2013 5
2014 4
2015 5
2016 5
2017 5
2018 5
2019 1
2020 6
2021 1
2022 4
2023 0
2024 1
Total 158
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Danny J. Llewellyn publications per year - data summary

  • Danny J. Llewellyn, a Biology and Biochemistry scholar from Commonwealth Scientific and Industrial Research Organisation, has 158 publications recorded across 47 years, from 1978 to 2024.
  • The oldest publication on record dates to 1978 and the most recent to 2024.
  • The most productive years are 2007 and 2010, with 8 publications each.
  • The least productive years with any output are 1978, 1979, 1981, 1984 and others, with 1 publication each.
  • 4 of the 47 years in the span carry no publications at all (1982, 1985, 1992 and 2023).
  • The rate of publication averages 3.4 papers per year over the whole span, or 3.7 per year counting only the 43 years with at least one publication.
  • The last 5 years on the chart (2020-2024) hold 12 publications, 8% of the career total.
  • Split into equal eras - 1978-1993: 33 publications (2.1 per year); 1994-2009: 64 publications (4.0 per year); 2010-2024: 61 publications (4.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Danny J. Llewellyn publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Danny J. Llewellyn sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 147–156 publications, is where this scientist sits. 47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 153 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980
137–146 942
147–156 969 153
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
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Danny J. Llewellyn publication distribution in Biology and Biochemistry in 2026 - data summary

  • The chart plots the publication count of all 19,587 Biology and Biochemistry scientists ranked by Research.com in 2026, grouped into 100 ranges running from 47–56 to 1,028+ publications.
  • Danny J. Llewellyn, a Biology and Biochemistry scholar from Commonwealth Scientific and Industrial Research Organisation, records 153 publications - the 28th percentile of the discipline.
  • 28% of ranked Biology and Biochemistry scientists score the same or lower than Danny J. Llewellyn, and about 72% score higher.
  • The median of the discipline falls in the 197–206 publications range, and Danny J. Llewellyn ranks below the median.
  • The most crowded range is 127–136 publications, holding 980 scientists (5% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 287–296 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,028 publications or more, 100 scientists in all (<1% of the field).

Danny J. Llewellyn D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Danny J. Llewellyn sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 62–63 D-Index, is where this scientist sits. 40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40–41 D-Index 167+

This scientist: 63 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235
58–59 1,253
60–61 1,162
62–63 1,130 63
64–65 1,031
66–67 897
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
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Danny J. Llewellyn D-index placement in Biology and Biochemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 19,587 Biology and Biochemistry scientists ranked by Research.com in 2026, grouped into 65 ranges running from 40–41 to 167+ D-Index.
  • Danny J. Llewellyn, a Biology and Biochemistry scholar from Commonwealth Scientific and Industrial Research Organisation, records 63 D-Index - the 49th percentile of the discipline.
  • 49% of ranked Biology and Biochemistry scientists score the same or lower than Danny J. Llewellyn, and about 51% score higher.
  • The median of the discipline falls in the 64–65 D-Index range, and Danny J. Llewellyn ranks below the median.
  • The most crowded range is 58–59 D-Index, holding 1,253 scientists (6% of the field).
  • 71% of the field sits in the lowest quarter of the value range (up to 72–73 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 167 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Danny J. Llewellyn is a researcher affiliated with the Commonwealth Scientific and Industrial Research Organisation in Australia. Their work primarily falls within the field of Agricultural and Biological Sciences, with a specific focus on Plant Science among other subfields such as Biochemistry, Food Science, Ecology, Evolution, Behavior and Systematics, and Soil Science.

Their research covers several main topics, including:

  • Research in Cotton Cultivation
  • Plant Virus Research Studies
  • Lipid Metabolism and Biosynthesis
  • Plant Molecular Biology Research
  • Food Chemistry and Fat Analysis
  • Agricultural Systems and Practices
  • Soil Management and Crop Yield

Llewellyn has contributed to publications in multiple peer-reviewed venues. The most frequent publishing outlets for their work include:

  • Plant and Cell Physiology
  • Transgenic Research
  • Frontiers in Plant Science
  • Journal of Cotton Research
  • The Plant Journal

Notable recent papers authored or co-authored by Llewellyn include:

  • Engineering Trienoic Fatty Acids into Cottonseed Oil Improves Low-Temperature Seed Germination, Plant Photosynthesis and Cotton Fiber Quality (2020, Plant and Cell Physiology)
  • Cotton Breeding in Australia: Meeting the Challenges of the 21st Century (2022, Frontiers in Plant Science)
  • Expansion of MIR482/2118 by a class-II transposable element in cotton (2020, The Plant Journal)
  • Polysaccharide composition during cotton seed fibre development: temporal differences between species and in different seasons (2022, Journal of Cotton Research)
  • Characterization and Genetic Mapping of Black Root Rot Resistance in Gossypium arboreum L. (2021, International Journal of Molecular Sciences)

Throughout their career, Llewellyn has collaborated frequently with other researchers. Major co-authors include:

  • Shiming Liu
  • Warwick N. Stiller
  • Qian-Hao Zhu
  • Philippe Moncuquet
  • Iain W. Wilson

Best Publications

  • Sequencing of allotetraploid cotton ( Gossypium hirsutum L. acc. TM-1) provides a resource for fiber improvement

    Tianzhen Zhang;Yan Hu;Wenkai Jiang;Lei Fang

  • Repeated polyploidization of Gossypium genomes and the evolution of spinnable cotton fibres

    Andrew H Paterson;Jonathan F Wendel;Heidrun Gundlach;Hui Guo

  • Suppression of Sucrose Synthase Gene Expression Represses Cotton Fiber Cell Initiation, Elongation, and Seed Development

    Yong-Ling Ruan;Danny J. Llewellyn;Robert T. Furbank

  • The Control of Single-Celled Cotton Fiber Elongation by Developmentally Reversible Gating of Plasmodesmata and Coordinated Expression of Sucrose and K+ Transporters and Expansin

    Yong-Ling Ruan;Danny J. Llewellyn;Robert T. Furbank

  • Arabidopsis RAP2.2: An ethylene response transcription factor that is important for hypoxia survival

    Manuela Hinz;Iain W. Wilson;Jun Yang;Katharina Buerstenbinder

  • The MYB transcription factor GhMYB25 regulates early fibre and trichome development.

    Adriane Machado;Yingru Wu;Youming Yang;Danny J. Llewellyn

  • Gibberellin Signaling in Barley Aleurone Cells. Control of SLN1 and GAMYB Expression

    Frank Gubler;Peter Michael Chandler;Rosemary G. White;Danny J. Llewellyn

  • Two hemoglobin genes in Arabidopsis thaliana: the evolutionary origins of leghemoglobins.

    B Trevaskis;R A Watts;C R Andersson;D J Llewellyn

  • GhMYB25‐like: a key factor in early cotton fibre development

    Sally-Ann Walford;Yingru Wu;Danny J. Llewellyn;Elizabeth S. Dennis

  • DNA demethylases target promoter transposable elements to positively regulate stress responsive genes in Arabidopsis

    Tuan-Ngoc Le;Ulrike Schumann;Neil A Smith;Sameer Tiwari;Sameer Tiwari

  • Construction of a plant disease resistance gene from the satellite RNA of tobacco ringspot virus

    Wayne L. Gerlach;Danny Llewellyn;Jim Haseloff

  • Maize Adh-1 promoter sequences control anaerobic regulation: addition of upstream promoter elements from constitutive genes is necessary for expression in tobacco.

    J.G. Ellis;D.J. Llewellyn;E.S. Dennis;W.J. Peacock

  • Expression profiling identifies genes expressed early during lint fibre initiation in cotton.

    Yingru Wu;Adriane C. Machado;Rosemary G. White;Danny J. Llewellyn

  • Global gene expression responses to waterlogging in roots and leaves of cotton (Gossypium hirsutum L.).

    Jed A. Christianson;Danny J. Llewellyn;Elizabeth S. Dennis;Iain W. Wilson

  • A new hemoglobin gene from soybean: a role for hemoglobin in all plants

    C R Anderson;E O Jensen;D J LLewellyn;E S Dennis

  • Field evaluation and potential ecological impact of transgenic cottons (Gossypium hirsutum) in Australia

    Gary P. Fitt;C. L. Mares;D. J. Llewellyn

  • Development of a 63K SNP Array for Cotton and High-Density Mapping of Intraspecific and Interspecific Populations of Gossypium spp.

    Amanda M Hulse-Kemp;Jana Lemm;Joerg Plieske;Hamid Ashrafi

  • The ocs-element is a component of the promoters of several T-DNA and plant viral genes.

    D Bouchez;J G Tokuhisa;D J Llewellyn;E S Dennis

  • Overexpression of a Potato Sucrose Synthase Gene in Cotton Accelerates Leaf Expansion, Reduces Seed Abortion, and Enhances Fiber Production

    Shou-Min Xu;Elizabeth Brill;Danny J. Llewellyn;Robert T. Furbank

  • A global assembly of cotton ESTs.

    Joshua A. Udall;Jordan M. Swanson;Karl Haller;Ryan A. Rapp

Frequent Co-Authors

Elizabeth S. Dennis
Elizabeth S. Dennis Commonwealth Scientific and Industrial Research Organisation
Iain W. Wilson
Iain W. Wilson Commonwealth Scientific and Industrial Research Organisation
William James Peacock
William James Peacock University of Technology Sydney
Qian-Hao Zhu
Qian-Hao Zhu Commonwealth Scientific and Industrial Research Organisation
Robert T. Furbank
Robert T. Furbank Australian National University
Joshua A. Udall
Joshua A. Udall Agricultural Research Service
Yong-Ling Ruan
Yong-Ling Ruan University of Newcastle Australia
Rosemary G. White
Rosemary G. White Commonwealth Scientific and Industrial Research Organisation
David M. Stelly
David M. Stelly Texas A&M University
Wayne L. Gerlach
Wayne L. Gerlach Commonwealth Scientific and Industrial Research Organisation

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