Sandra M. Siepka

3.8k total citations · 1 hit paper
13 papers, 2.9k citations indexed

About

Sandra M. Siepka is a scholar working on Endocrine and Autonomic Systems, Molecular Biology and Physiology. According to data from OpenAlex, Sandra M. Siepka has authored 13 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Endocrine and Autonomic Systems, 4 papers in Molecular Biology and 4 papers in Physiology. Recurrent topics in Sandra M. Siepka's work include Circadian rhythm and melatonin (6 papers), Spaceflight effects on biology (3 papers) and Animal Genetics and Reproduction (3 papers). Sandra M. Siepka is often cited by papers focused on Circadian rhythm and melatonin (6 papers), Spaceflight effects on biology (3 papers) and Animal Genetics and Reproduction (3 papers). Sandra M. Siepka collaborates with scholars based in United States, Switzerland and Philippines. Sandra M. Siepka's co-authors include Joseph S. Takahashi, Seung Hee Yoo, Hee-Kyung Hong, Michael Menaker, Won Jun Oh, Shin Yamazaki, Phillip L. Lowrey, Ethan D. Buhr, Kazuhiro Shimomura and Caroline H. Ko and has published in prestigious journals such as Cell, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Sandra M. Siepka

13 papers receiving 2.9k citations

Hit Papers

PERIOD2::LUCIFERASE real-time reporting of circadian dyna... 2004 2026 2011 2018 2004 500 1000 1.5k
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.

  1. PERIOD2::LUCIFERASE real-time reporting of circadian dynamics reveals persistent circadian oscillations in mouse peripheral tissues
    2004 1.8k citations Seung Hee Yoo, Shin Yamazaki et al. Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Sandra M. Siepka United States 11 2.4k 1.0k 742 689 503 13 2.9k
Jürgen A. Ripperger Switzerland 26 2.7k 1.1× 1.2k 1.2× 739 1.0× 616 0.9× 598 1.2× 50 3.6k
Nguyet Le Minh Switzerland 6 2.3k 0.9× 1.5k 1.4× 415 0.6× 487 0.7× 416 0.8× 7 2.7k
Yasukazu Nakahata Japan 18 2.6k 1.1× 1.6k 1.5× 702 0.9× 418 0.6× 782 1.6× 38 3.9k
Jérôme S. Menet United States 23 1.7k 0.7× 546 0.5× 743 1.0× 586 0.9× 422 0.8× 34 2.4k
Nicolas Preitner Switzerland 9 3.7k 1.5× 2.2k 2.1× 857 1.2× 761 1.1× 806 1.6× 13 4.5k
Johanna E. Chesham United Kingdom 30 3.2k 1.3× 1.2k 1.1× 839 1.1× 1.4k 2.1× 548 1.1× 44 4.0k
Aurélio Balsalobre Canada 18 3.4k 1.4× 1.6k 1.6× 944 1.3× 844 1.2× 655 1.3× 26 4.7k
Nicholas Gekakis United States 17 2.7k 1.1× 902 0.9× 1.3k 1.7× 852 1.2× 631 1.3× 21 3.7k
Martin Reick United States 9 1.5k 0.6× 683 0.7× 423 0.6× 446 0.6× 322 0.6× 10 2.2k
Hee-Kyung Hong United States 11 3.9k 1.6× 2.0k 1.9× 902 1.2× 947 1.4× 849 1.7× 15 4.8k

Countries citing papers authored by Sandra M. Siepka

Since Specialization
Citations

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

Fields of papers citing papers by Sandra M. Siepka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sandra M. Siepka. 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 Sandra M. Siepka. The network helps show where Sandra M. Siepka may publish in the future.

Co-authorship network of co-authors of Sandra M. Siepka

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

All Works

13 of 13 papers shown
1.
Yang, Shuzhang, Sandra M. Siepka, Kimberly H. Cox, et al.. (2019). Tissue-specific FAH deficiency alters sleep–wake patterns and results in chronic tyrosinemia in mice. Proceedings of the National Academy of Sciences. 116(44). 22229–22236. 4 indexed citations
2.
Lee, Wei‐Hua, Hitoshi Higuchi, Sakae Ikeda, et al.. (2016). Mouse Tmem135 mutation reveals a mechanism involving mitochondrial dynamics that leads to age-dependent retinal pathologies. eLife. 5. 39 indexed citations
3.
Yoo, Seung Hee, Jennifer A. Mohawk, Sandra M. Siepka, et al.. (2013). Competing E3 Ubiquitin Ligases Govern Circadian Periodicity by Degradation of CRY in Nucleus and Cytoplasm. Cell. 152(5). 1091–1105. 275 indexed citations
4.
Odili, Stella, Hee-Kyung Hong, Yumiko Kobayashi, et al.. (2011). Generation of N-Ethyl-N-nitrosourea (ENU) Diabetes Models in Mice Demonstrates Genotype-specific Action of Glucokinase Activators. Journal of Biological Chemistry. 286(45). 39560–39572. 12 indexed citations
5.
Clayton, David F., Julia M. George, Claudio V. Mello, & Sandra M. Siepka. (2008). Conservation and expression of IQ‐domain‐containing calpacitin gene products (neuromodulin/GAP‐43, neurogranin/RC3) in the adult and developing oscine song control system. Developmental Neurobiology. 69(2-3). 124–140. 11 indexed citations
6.
Siepka, Sandra M., et al.. (2007). Genetics and Neurobiology of Circadian Clocks in Mammals. Cold Spring Harbor Symposia on Quantitative Biology. 72(1). 251–259. 75 indexed citations
7.
Siepka, Sandra M., Seung Hee Yoo, Weimin Song, et al.. (2007). Circadian Mutant Overtime Reveals F-box Protein FBXL3 Regulation of Cryptochrome and Period Gene Expression. Cell. 129(5). 1011–1023. 440 indexed citations
8.
Moran, Jennifer L., Andrew D. Bolton, Pamela V. Tran, et al.. (2006). Utilization of a whole genome SNP panel for efficient genetic mapping in the mouse. Genome Research. 16(3). 436–440. 75 indexed citations
9.
Siepka, Sandra M. & Joseph S. Takahashi. (2005). Methods to Record Circadian Rhythm Wheel Running Activity in Mice. Methods in enzymology on CD-ROM/Methods in enzymology. 393. 230–239. 66 indexed citations
10.
Siepka, Sandra M. & Joseph S. Takahashi. (2005). Forward Genetic Screens to Identify Circadian Rhythm Mutants in Mice. Methods in enzymology on CD-ROM/Methods in enzymology. 393. 219–229. 21 indexed citations
11.
Clark, Amander T., Dan Goldowitz, Joseph S. Takahashi, et al.. (2004). Implementing Large-Scale ENU Mutagenesis Screens in North America. Genetica. 122(1). 51–64. 65 indexed citations
12.
Yoo, Seung Hee, Shin Yamazaki, Phillip L. Lowrey, et al.. (2004). PERIOD2::LUCIFERASE real-time reporting of circadian dynamics reveals persistent circadian oscillations in mouse peripheral tissues. Proceedings of the National Academy of Sciences. 101(15). 5339–5346. 1803 indexed citations breakdown →
13.
Siepka, Sandra M.. (1997). Molecular Analysis of Neural Structures During Song Learning in the Zebra Finch. 1 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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