Berta Levavi‐Sivan

6.7k total citations · 1 hit paper
140 papers, 5.3k citations indexed

About

Berta Levavi‐Sivan is a scholar working on Physiology, Genetics and Reproductive Medicine. According to data from OpenAlex, Berta Levavi‐Sivan has authored 140 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 88 papers in Physiology, 71 papers in Genetics and 52 papers in Reproductive Medicine. Recurrent topics in Berta Levavi‐Sivan's work include Reproductive biology and impacts on aquatic species (88 papers), Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (66 papers) and Hypothalamic control of reproductive hormones (44 papers). Berta Levavi‐Sivan is often cited by papers focused on Reproductive biology and impacts on aquatic species (88 papers), Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities (66 papers) and Hypothalamic control of reproductive hormones (44 papers). Berta Levavi‐Sivan collaborates with scholars based in Israel, United States and Australia. Berta Levavi‐Sivan's co-authors include Z. Yaron, Jakob Biran, Abigail Elizur, Matan Golan, Joseph Aizen, Hanna Rosenfeld, Philippa Melamed, Ana Gómez, Gal Gur and Jan Bogerd and has published in prestigious journals such as Proceedings of the National Academy of Sciences, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Berta Levavi‐Sivan

134 papers receiving 5.1k 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.

Perspectives on fish gonadotropins and their receptors

2009 448 citations Berta Levavi‐Sivan et al. General and Comparative Endocrinology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Berta Levavi‐Sivan Israel	43	3.2k	2.5k	1.9k	1.6k	713	140	5.3k
Gustavo M. Somoza Argentina	37	2.4k 0.8×	2.2k 0.9×	1.4k 0.7×	1.1k 0.7×	493 0.7×	159	4.8k
Jan Bogerd Netherlands	47	3.5k 1.1×	3.3k 1.3×	2.6k 1.3×	1.1k 0.7×	1.2k 1.6×	129	6.2k
Manuel Carrillo Spain	48	4.3k 1.3×	3.0k 1.2×	1.6k 0.8×	3.1k 1.9×	581 0.8×	134	6.5k
Sylvie Dufour France	36	2.2k 0.7×	1.3k 0.5×	1.1k 0.6×	1.3k 0.8×	391 0.5×	116	3.7k
Bernard Breton France	42	3.7k 1.2×	1.6k 0.7×	1.3k 0.7×	2.5k 1.5×	250 0.4×	161	4.9k
Finn‐Arne Weltzien Norway	30	1.9k 0.6×	1.2k 0.5×	713 0.4×	1.2k 0.7×	411 0.6×	94	3.1k
Silvia Zanuy Spain	59	6.5k 2.1×	4.3k 1.7×	2.3k 1.2×	4.7k 3.0×	775 1.1×	216	9.5k
Balasubramanian Senthilkumaran India	36	2.2k 0.7×	2.1k 0.8×	750 0.4×	918 0.6×	749 1.1×	140	4.1k
H.J.Th. Goos Netherlands	37	2.3k 0.7×	1.2k 0.5×	1.2k 0.6×	1.3k 0.8×	157 0.2×	93	3.2k
Yong Zhu United States	29	1.1k 0.3×	1.6k 0.6×	734 0.4×	383 0.2×	917 1.3×	86	3.6k

Countries citing papers authored by Berta Levavi‐Sivan

Since Specialization

Citations

This map shows the geographic impact of Berta Levavi‐Sivan'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 Berta Levavi‐Sivan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Berta Levavi‐Sivan more than expected).

Fields of papers citing papers by Berta Levavi‐Sivan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Berta Levavi‐Sivan. 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 Berta Levavi‐Sivan. The network helps show where Berta Levavi‐Sivan may publish in the future.

Co-authorship network of co-authors of Berta Levavi‐Sivan

This figure shows the co-authorship network connecting the top 25 collaborators of Berta Levavi‐Sivan. A scholar is included among the top collaborators of Berta Levavi‐Sivan 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 Berta Levavi‐Sivan. Berta Levavi‐Sivan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Peng, Di, Yongjun Tan, Dapeng Zhang, et al.. (2025). Hormonal dynamics reveal a stimulatory role for secretoneurin in zebrafish ovulation. PNAS Nexus. 4(4). pgaf097–pgaf097. 2 indexed citations

Mizrahi, Naama, et al.. (2025). Differential hypothalamic regulation of FSH and LH secretion from the fish pituitary by GnRH and CCK. Reproduction. 170(6).

Levavi‐Sivan, Berta, et al.. (2024). High-resolution tracking of unconfined zebrafish behavior reveals stimulatory and anxiolytic effects of psilocybin. Molecular Psychiatry. 29(4). 1046–1062. 7 indexed citations

Mizrahi, Naama, et al.. (2024). Characterization of a novel fast-growing zebrafish: a new approach to growth hormone transgenesis. Frontiers in Endocrinology. 15. 1369043–1369043. 1 indexed citations

Mizrahi, Naama, et al.. (2024). Characterization of the somatostatin system in tilapia: implications for growth and reproduction. Frontiers in Endocrinology. 15. 1302672–1302672. 2 indexed citations

Nocillado, Josephine, et al.. (2022). Intracellular production of recombinant GnRH1 in yeast, Pichia pastoris, and its potential as oral treatment to advance gonadal development in juvenile orange-spotted grouper, Epinephelus coioides. Aquaculture. 554. 738115–738115. 2 indexed citations

Levavi‐Sivan, Berta, et al.. (2022). Transcriptomes of testis and pituitary from male Nile tilapia (O. niloticus L.) in the context of social status. PLoS ONE. 17(5). e0268140–e0268140. 3 indexed citations

Zmora, Nilli, Ten‐Tsao Wong, Matan Golan, et al.. (2017). The gonadotropin-inhibitory hormone (Lpxrfa) system's regulation of reproduction in the brain–pituitary axis of the zebrafish (Danio rerio)†. Biology of Reproduction. 96(5). 1031–1042. 52 indexed citations

Nocillado, Josephine, Joseph Aizen, Adam D. Miller, et al.. (2016). In-vitro and in-vivo biological activity of recombinant yellowtail kingfish (Seriola lalandi) follicle stimulating hormone. General and Comparative Endocrinology. 241. 41–49. 44 indexed citations

10.

Nocillado, Josephine, Jakob Biran, Berta Levavi‐Sivan, et al.. (2012). The Kiss2 receptor (Kiss2r) gene in Southern Bluefin Tuna, Thunnus maccoyii and in Yellowtail Kingfish, Seriola lalandi – Functional analysis and isolation of transcript variants. Molecular and Cellular Endocrinology. 362(1-2). 211–220. 46 indexed citations

11.

Elizur, Abigail, et al.. (2011). Advancement of the Onset of Puberty in Seriola lalandi by Chronic Treatment with Kiss Peptides. Indian Journal of Science and Technology. 4. 274–275. 3 indexed citations

12.

Biran, Jakob, Shifra Ben‐Dor, & Berta Levavi‐Sivan. (2008). Molecular Identification and Functional Characterization of the Kisspeptin/Kisspeptin Receptor System in Lower Vertebrates1. Biology of Reproduction. 79(4). 776–786. 190 indexed citations

13.

Stadtlander, Timo, Ulfert Focken, Berta Levavi‐Sivan, et al.. (2008). Treatment with saponins from Trigonella foenum-graecum and Quillaja saponaria influences sex ratio in Nile tilapia (Oreochromis niloticus) larvae.. Bioorganic & Medicinal Chemistry Letters. 24(7). 355–364. 6 indexed citations

14.

Nocillado, Josephine, et al.. (2006). Cytochrome P450 aromatase in grey mullet: cDNA and promoter isolation; brain, pituitary and ovarian expression during puberty. Molecular and Cellular Endocrinology. 263(1-2). 65–78. 34 indexed citations

15.

Aizen, Joseph, Iris Meiri, Itai Tzchori, Berta Levavi‐Sivan, & Hanna Rosenfeld. (2005). Enhancing spawning in the grey mullet (Mugil cephalus) by removal of dopaminergic inhibition. General and Comparative Endocrinology. 142(1-2). 212–221. 97 indexed citations

16.

Yaron, Z., et al.. (1997). Regulation of prolactin gene expression in fishes. Open Repository and Bibliography (University of Liège). 3 indexed citations

17.

Rothbard, S., Berta Levavi‐Sivan, & Z. Yaron. (1997). Breeding behavior and the associated GtH and steroid levels in female Nile tilapia, Oreochromis niloticus. Polskie Archiwum Hydrobiologii. 44. 2 indexed citations

18.

Melamed, Philippa, Michal Ofir, Berta Levavi‐Sivan, et al.. (1995). The effects of gonadal development and sex steroids on growth hormone secretion in the male tilapia hybrid (Oreochromis niloticus � O. aureus). Fish Physiology and Biochemistry. 14(4). 267–277. 38 indexed citations

19.

Levavi‐Sivan, Berta, Michal Ofir, & Z. Yaron. (1995). Possible sites of dopaminergic inhibition of gonadotropin release from the pituitary of a teleost fish, tilapia. Molecular and Cellular Endocrinology. 109(1). 87–95. 44 indexed citations

20.

Cavari, B. Z., et al.. (1994). Isolation of Growth Hormone and in Vitro Translation of mRNA Isolated from Pituitaries of the Gilthead Sea Bream Sparus aurata. General and Comparative Endocrinology. 95(3). 321–329. 5 indexed citations

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.

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