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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Molecular Biology 66 1633 824 117 12995

Harrison Echols publications per year

The chart shows the history of publications by Harrison Echols between 1961 and 2005, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Harrison Echols published across 45 years, from 1961 to 2005, averaging 2.8 papers a year. Output peaked at 9 publications in 1973. 1 of the 128 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1961 to 2005. Vertical axis: number of publications, 0 to 9. Peak 9 publications in 1973. 1961: 1 publication 1962: 1 publication 1963: 2 publications 1964: 0 publications 1965: 2 publications 1966: 4 publications 1967: 3 publications 1968: 7 publications 1969: 2 publications 1970: 6 publications 1971: 4 publications 1972: 5 publications 1973: 9 publications 1974: 3 publications 1975: 6 publications 1976: 3 publications 1977: 5 publications 1978: 2 publications 1979: 5 publications 1980: 3 publications 1981: 6 publications 1982: 3 publications 1983: 5 publications 1984: 3 publications 1985: 1 publication 1986: 6 publications 1987: 6 publications 1988: 3 publications 1989: 4 publications 1990: 5 publications 1991: 7 publications 1992: 3 publications 1993: 1 publication 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 1 publication
1961 2005

128 publications in total across all disciplines

View publications per year as a table
Harrison Echols: publications per year, 1961 to 2005
Year Publications
1961 1
1962 1
1963 2
1964 0
1965 2
1966 4
1967 3
1968 7
1969 2
1970 6
1971 4
1972 5
1973 9
1974 3
1975 6
1976 3
1977 5
1978 2
1979 5
1980 3
1981 6
1982 3
1983 5
1984 3
1985 1
1986 6
1987 6
1988 3
1989 4
1990 5
1991 7
1992 3
1993 1
1994 1
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 0
2003 0
2004 0
2005 1
Total 128
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Harrison Echols publications per year - data summary

  • Harrison Echols, a Molecular Biology scholar from University of California, Berkeley, has 128 publications recorded across 45 years, from 1961 to 2005.
  • The oldest publication on record dates to 1961 and the most recent to 2005.
  • The most productive year is 1973, with 9 publications.
  • The least productive years with any output are 1961, 1962, 1985, 1993 and others, with 1 publication each.
  • 11 of the 45 years in the span carry no publications at all (1964, 1995, 1996, 1997 and others).
  • The rate of publication averages 2.8 papers per year over the whole span, or 3.8 per year counting only the 34 years with at least one publication.
  • The last 5 years on the chart (2001-2005) hold 1 publication, <1% of the career total.
  • Split into equal eras - 1961-1975: 55 publications (3.7 per year); 1976-1990: 60 publications (4.0 per year); 1991-2005: 13 publications (0.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is declining.

Harrison Echols publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Harrison Echols sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 53 bars. Horizontal axis: publications, 47–56 to 564+. Vertical axis: number of scientists, 0 to 177. Most scientists, 177, have 117–126 publications. The last bar groups every scientist with 564 publications or more. The highlighted bar, 117–126 publications, is where this scientist sits. 47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47–56 publications 564+

This scientist: 117 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

View publications distribution as a table
Number of Molecular Biology scientists by publication count, Research.com 2026 ranking edition. Based on 3,076 ranked scientists.
Publications Scientists This scientist
47–56 7
57–66 17
67–76 65
77–86 90
87–96 125
97–106 131
107–116 162
117–126 177 117
127–136 158
137–146 158
147–156 146
157–166 159
167–176 131
177–186 110
187–196 112
197–206 100
207–216 89
217–226 98
227–236 74
237–246 72
247–256 63
257–266 53
267–276 54
277–286 49
287–296 52
297–306 43
307–316 46
317–326 41
327–336 42
337–346 31
347–356 28
357–366 29
367–376 26
377–386 24
387–396 24
397–406 14
407–416 13
417–426 20
427–436 12
437–446 20
447–456 11
457–466 10
467–476 14
477–486 14
487–496 10
497–506 13
507–516 13
517–526 2
527–536 4
537–546 6
547–556 8
557–563 6
564+ 100
Download as CSV

Harrison Echols publication distribution in Molecular Biology in 2026 - data summary

  • The chart plots the publication count of all 3,076 Molecular Biology scientists ranked by Research.com in 2026, grouped into 53 ranges running from 47–56 to 564+ publications.
  • Harrison Echols, a Molecular Biology scholar from University of California, Berkeley, records 117 publications - the 20th percentile of the discipline.
  • 20% of ranked Molecular Biology scientists score the same or lower than Harrison Echols, and about 80% score higher.
  • The median of the discipline falls in the 177–186 publications range, and Harrison Echols ranks below the median.
  • The most crowded range is 117–126 publications, holding 177 scientists (6% of the field).
  • 53% of the field sits in the lowest quarter of the value range (up to 177–186 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 564 publications or more, 100 scientists in all (3% of the field).

Harrison Echols D-index placement in Molecular Biology in 2026

The chart shows the D-index (discipline H-index) distribution of Molecular Biology scientists ranked by Research.com in 2026. The highlighted bar marks where Harrison Echols sits on this spectrum.

No. of scientists
25 50 75 100 125
Bar chart with 54 bars. Horizontal axis: D-Index, 40–41 to 145+. Vertical axis: number of scientists, 0 to 131. Most scientists, 131, have 64–65 D-Index. The last bar groups every scientist with 145 D-Index or more. The highlighted bar, 66–67 D-Index, is where this scientist sits. 40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40–41 D-Index 145+

This scientist: 66 D-Index — 48th percentile

48% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

View D-Index distribution as a table
Number of Molecular Biology scientists by D-index, Research.com 2026 ranking edition. Based on 3,076 ranked scientists.
D-Index Scientists This scientist
40–41 36
42–43 101
44–45 115
46–47 121
48–49 118
50–51 130
52–53 106
54–55 116
56–57 113
58–59 129
60–61 120
62–63 105
64–65 131
66–67 95 66
68–69 97
70–71 106
72–73 83
74–75 89
76–77 77
78–79 70
80–81 73
82–83 60
84–85 48
86–87 45
88–89 50
90–91 31
92–93 51
94–95 43
96–97 38
98–99 39
100–101 41
102–103 29
104–105 33
106–107 35
108–109 20
110–111 38
112–113 19
114–115 28
116–117 13
118–119 23
120–121 16
122–123 15
124–125 11
126–127 21
128–129 7
130–131 13
132–133 14
134–135 17
136–137 9
138–139 8
140–141 16
142–143 7
144 7
145+ 100
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Harrison Echols D-index placement in Molecular Biology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,076 Molecular Biology scientists ranked by Research.com in 2026, grouped into 54 ranges running from 40–41 to 145+ D-Index.
  • Harrison Echols, a Molecular Biology scholar from University of California, Berkeley, records 66 D-Index - the 48th percentile of the discipline.
  • 48% of ranked Molecular Biology scientists score the same or lower than Harrison Echols, and about 52% score higher.
  • The median of the discipline falls in the 68–69 D-Index range, and Harrison Echols ranks below the median.
  • The most crowded range is 64–65 D-Index, holding 131 scientists (4% of the field).
  • 50% of the field sits in the lowest quarter of the value range (up to 66–67 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 145 D-Index or more, 100 scientists in all (3% of the field).

Research.com Recognitions

  • 1991 - Member of the National Academy of Sciences
  • 1981 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Harrison Echols was affiliated with the University of California, Berkeley in the United States. Their academic career was marked without available details on the specific research papers, co-authors, or publication venues typically associated with their work.

There is no publicly listed information about frequent co-authors, recent papers, or published books associated with this scientist. Likewise, the main fields and subfields of study remain unspecified.

Despite the limited data on their scientific outputs, Harrison Echols received recognition during their career through notable awards. They were named a Fellow of the John Simon Guggenheim Memorial Foundation in 1981. Later, in 1991, they were elected as a Member of the National Academy of Sciences.

The scientist passed away, which contexts their body of work as complete and historically situated. The absence of further documented contributions restricts the scope of available information regarding their specific areas of research focus or the impact of their publications.

Best Publications

  • Fidelity mechanisms in DNA replication.

    Harrison Echols;Myron F. Goodman

  • UmuD mutagenesis protein of Escherichia coli: Overproduction, purification, and cleavage by RecA

    Sabine E. Burckhardt;Roger Woodgate;Richard H. Scheuermann;Harrison Echols

  • Multiple DNA-protein interactions governing high-precision DNA transactions.

    Harrison Echols

  • DNA-looping and enhancer activity: association between DNA-bound NtrC activator and RNA polymerase at the bacterial glnA promoter.

    Wen Su;Susan Porter;Sydney Kustu;Harrison Echols

  • A separate editing exonuclease for DNA replication: the epsilon subunit of Escherichia coli DNA polymerase III holoenzyme

    Richard H. Scheuermann;Harrison Echols

  • UmuC mutagenesis protein of Escherichia coli: purification and interaction with UmuD and UmuD'

    Roger Woodgate;Malini Rajagopalan;Chi Lu;Harrison Echols

  • Activity of the purified mutagenesis proteins UmuC, UmuD', and RecA in replicative bypass of an abasic DNA lesion by DNA polymerase III.

    Malini Rajagopalan;Chi Lu;Roger Woodgate;Mike O'Donnell

  • Control of phage λ development by stability and synthesis of cll protein: Role of the viral clll and host hflA, himA and himD genes

    M.Andrew Hoyt;David M. Knight;Asis Das;Harvey I. Miller

  • Identification of the epsilon-subunit of Escherichia coli DNA polymerase III holoenzyme as the dnaQ gene product: a fidelity subunit for DNA replication.

    Richard Scheuermann;Schuman Tam;Peter M. J. Burgers;Chi Lu

  • Mutator strains of Escherichia coli, mutD and dnaQ, with defective exonucleolytic editing by DNA polymerase III holoenzyme

    Harrison Echols;Chi Lu;Peter M. J. Burgers

  • Specialized nucleoprotein structures at the origin of replication of bacteriophage lambda: localized unwinding of duplex DNA by a six-protein reaction.

    Mark Dodson;Harrison Echols;Sue Wickner;Christine Alfano

  • Unwinding of duplex DNA from the SV40 origin of replication by T antigen.

    Mark Dodson;Frank B. Dean;Peter Bullock;Harrison Echols

  • SOS functions, cancer and inducible evolution

    Harrison Echols

  • Establishment and Maintenance of Repression by Bacteriophage Lambda: The Role of the cI, cII, and cIII Proteins

    Harrison Echols;Linda Green

  • Control of recA gene RNA in E. coli: Regulatory and signal genes

    Ann McPartland;Linda Green;Harrison Echols

  • Capacity of RecA protein to bind preferentially to UV lesions and inhibit the editing subunit (epsilon) of DNA polymerase III: a possible mechanism for SOS-induced targeted mutagenesis.

    Chi Lu;Richard H. Scheuermann;Harrison Echols

  • Nucleoprotein structures initiating DNA replication, transcription, and site-specific recombination.

    Echols H

  • ATP-dependent formation of a specialized nucleoprotein structure by simian virus 40 (SV40) large tumor antigen at the SV40 replication origin

    Frank B. Dean;Mark Dodson;Harrison Echols;Jerard Hurwitz

  • Specialized nucleoprotein structures at the origin of replication of bacteriophage lambda: complexes with lambda O protein and with lambda O, lambda P, and Escherichia coli DnaB proteins

    Mark Dodson;John Roberts;Roger McMacken;Harrison Echols

  • Mutation induced by DNA damage: a many protein affair.

    Harrison Echols;Myron F. Goodman

Frequent Co-Authors

Richard H. Scheuermann
Richard H. Scheuermann J. Craig Venter Institute
Myron F. Goodman
Myron F. Goodman University of Southern California
Robert L. Fischer
Robert L. Fischer University of California, Berkeley
Jerard Hurwitz
Jerard Hurwitz Memorial Sloan Kettering Cancer Center
Stuart Linn
Stuart Linn University of California, Berkeley
Ira Herskowitz
Ira Herskowitz University of California, San Francisco
Anna M. Wu
Anna M. Wu City Of Hope National Medical Center
Hans H. Cheng
Hans H. Cheng Agricultural Research Service
Yoshiyuki Sakaki
Yoshiyuki Sakaki Toyohashi University of Technology
Peter M. J. Burgers
Peter M. J. Burgers Washington University in St. Louis

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