Sigmund Sperstad

2.6k total citations · 1 hit paper
19 papers, 2.0k citations indexed

About

Sigmund Sperstad is a scholar working on Immunology, Molecular Biology and Aquatic Science. According to data from OpenAlex, Sigmund Sperstad has authored 19 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Immunology, 7 papers in Molecular Biology and 6 papers in Aquatic Science. Recurrent topics in Sigmund Sperstad's work include Aquaculture disease management and microbiota (11 papers), Antimicrobial Peptides and Activities (6 papers) and Invertebrate Immune Response Mechanisms (6 papers). Sigmund Sperstad is often cited by papers focused on Aquaculture disease management and microbiota (11 papers), Antimicrobial Peptides and Activities (6 papers) and Invertebrate Immune Response Mechanisms (6 papers). Sigmund Sperstad collaborates with scholars based in Norway, United Kingdom and China. Sigmund Sperstad's co-authors include Einar Ringø, Åshild Krogdahl, Ståle Refstie, Rolf Erik Olsen, R. Myklebust, Klara Stensvåg, Tor Haug, Olaf B. Styrvold, Thor Landsverk and Anne Marie Bakke-McKellep and has published in prestigious journals such as Biotechnology Advances, Aquaculture and British Journal Of Nutrition.

In The Last Decade

Sigmund Sperstad

19 papers receiving 1.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Effect of dietary components on the gut microbiota of aquatic animals. A never‐ending story?

2015 510 citations Einar Ringø, Zhe Zhou et al. Aquaculture Nutrition profile →

Peers

Countries citing papers authored by Sigmund Sperstad

Since Specialization

Citations

This map shows the geographic impact of Sigmund Sperstad's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Sigmund Sperstad with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sigmund Sperstad more than expected).

Fields of papers citing papers by Sigmund Sperstad

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sigmund Sperstad. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Sigmund Sperstad. The network helps show where Sigmund Sperstad may publish in the future.

Co-authorship network of co-authors of Sigmund Sperstad

This figure shows the co-authorship network connecting the top 25 collaborators of Sigmund Sperstad. A scholar is included among the top collaborators of Sigmund Sperstad based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Sigmund Sperstad. Sigmund Sperstad is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

19 of 19 papers shown

#	Title	Journal	Authors	Indexed citations
1	Paralithocins, Antimicrobial Peptides with Unusual Disulfide Connectivity from the Red King Crab,Paralithodes camtschaticus	Journal of Natural Products	Morten K. Moe, Tor Haug et al.	17
2	Effect of dietary components on the gut microbiota of aquatic animals. A never‐ending story? breakdown →	Aquaculture Nutrition	Einar Ringø, Zhe Zhou et al.	510
3	Bacterial Community of Koumiss from Mongolia Investigated by Culture and Culture-Independent Methods	Food Biotechnology	Einar Ringø, Sigmund Sperstad et al.	10
4	Bacterial diversity of aMasi, a South African fermented milk product, determined by clone library and denaturing gradient gel electrophoresis analysis	African Journal of Microbiology Research	Sigmund Sperstad, Jacques Godfroid et al.	19
5	The effect of different feeding regimes on enzyme activities of gut microbiota in Atlantic cod (Gadus morhuaL.)	Aquaculture Research	Fatemeh Askarian, Sigmund Sperstad et al.	31
6	Antimicrobial peptides from marine invertebrates: Challenges and perspectives in marine antimicrobial peptide discovery	Biotechnology Advances	Sigmund Sperstad, Tor Haug et al.	116
7	Culturable autochthonous gut bacteria in Atlantic salmon (Salmo salar L.) fed diets with or without chitin. Characterization by 16S rRNA gene sequencing, ability to produce enzymes and in vitro growth inhibition of four fish pathogens	Aquaculture	Fatemeh Askarian, Zhigang Zhou et al.	145
8	Expression of antimicrobial peptides from Hyas araneus haemocytes following bacterial challenge in vitro	Developmental & Comparative Immunology	Sigmund Sperstad, Valerie J. Smith et al.	22
9	Hyastatin, a glycine-rich multi-domain antimicrobial peptide isolated from the spider crab (Hyas araneus) hemocytes	Molecular Immunology	Sigmund Sperstad, Tor Haug et al.	63
10	Use of 16S rRNA gene sequencing analysis to characterize culturable intestinal bacteria in Atlantic salmon (Salmo salar) fed diets with cellulose or non-starch polysaccharides from soy	Aquaculture Research	Einar Ringø, Sigmund Sperstad et al.	72
11	Characterization of crustins from the hemocytes of the spider crab, Hyas araneus, and the red king crab, Paralithodes camtschaticus	Developmental & Comparative Immunology	Sigmund Sperstad, Tor Haug et al.	56
12	Effects of dietary soyabean meal, inulin and oxytetracycline on intestinal microbiota and epithelial cell stress, apoptosis and proliferation in the teleost Atlantic salmon (Salmo salar L.)	British Journal Of Nutrition	Anne Marie Bakke-McKellep, Michael Penn et al.	288
13	Arasin 1, a proline–arginine-rich antimicrobial peptide isolated from the spider crab, Hyas araneus	Developmental & Comparative Immunology	Klara Stensvåg, Tor Haug et al.	96
14	Effects of dietary soybean meal, inulin and oxytetracycline on gastrointestinal histological characteristics, distal intestine cell proliferation and intestinal microbiota in Atlantic salmon (Salmo salar L.)	Duo Research Archive (University of Oslo)	A.M. Bakke-McKellep, Sigmund Sperstad et al.	10
15	Characterisation of the microbiota associated with intestine of Atlantic cod (Gadus morhua L.)	Aquaculture	Einar Ringø, Sigmund Sperstad et al.	293
16	The effect of dietary inulin on aerobic bacteria associated with hindgut of Arctic charr (Salvelinus alpinus L.)	Aquaculture Research	Einar Ringø, Sigmund Sperstad et al.	112
17	The effect of dietary krill supplementation on epithelium-associated bacteria in the hindgut of Atlantic salmon (Salmo salar L.): a microbial and electron microscopical study	Aquaculture Research	Einar Ringø, Sigmund Sperstad et al.	52
18	Torularhodin and torulene are the major contributors to the carotenoid pool of marine Rhodosporidium babjevae (Golubev)	Journal of Industrial Microbiology & Biotechnology	Sigmund Sperstad, Bjart Frode Lutnæs et al.	36
19	Molecular-phylogenetic, structural and biochemical features of a cold-adapted, marine ichthyosporean near the animal-fungal divergence, described from in vitro cultures	European Journal of Protistology	Sigmund Sperstad, Steinar Johansen et al.	26

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact