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  1. Piwi - Wikipedia

    Recently identified as a polar granule component, PIWI proteins appear to control germ cell formation so much so that in the absence of PIWI proteins there is a significant decrease in …

  2. PIWI RNA: Powerful Regulators of Germline Integrity

    Apr 29, 2025 · PIWI-interacting RNAs (piRNAs) are a distinct class of small non-coding RNAs, typically ranging from 24 to 31 nucleotides in length. This size range sets them apart from …

  3. The Biogenesis and Function PIWI Proteins and piRNAs: …

    PIWI proteins play crucial roles during germline development and gametogenesis of many metazoan species, from germline determination and germline stem cell maintenance to …

  4. Emerging roles and functional mechanisms of PIWI-interacting …

    Sep 14, 2022 · PIWI-interacting RNAs (piRNAs) are a class of small non-coding RNAs that associate with proteins of the PIWI clade of the Argonaute family. First identified in animal …

  5. PIWI-interacting RNAs: who, what, when, where, why, and how

    Sep 26, 2024 · PIWI-interacting RNAs (piRNA) suppress selfish genetic elements and are essential for germ cell biology in animals. They also play critical roles in regeneration in …

  6. PIWI proteins and piRNAs – Van Wolfswinkel lab

    PIWI proteins and piRNAs are mostly known for their role in transposon silencing during animal germ cell development. piRNAs are small non-coding RNAs that require PIWI proteins for their …

  7. Piwi-interacting RNA - Wikipedia

    Piwi-interacting RNA (piRNA) is the largest class of small non-coding RNA molecules expressed in animal cells. [1][2][3] piRNAs form RNA- protein complexes through interactions with piwi …

  8. Piwi - an overview | ScienceDirect Topics

    Piwi-interacting RNAs (piRNAs) are a class of small non-coding RNAs, approximately 24–32 nucleotides in length, primarily expressed in germline cells, that play crucial roles in gene …

  9. Ask a Wine Pro: What Is a ‘PiWi’ Grape? - VinePair

    Jul 15, 2025 · PiWi is a much-needed abbreviation for the German term Pilzwiderstandsfähige Rebsorten, which translates to fungus-resistant grape variety.

  10. Structural insights into RNA cleavage by PIWI Argonaute

    Jan 15, 2025 · Here we demonstrate that after target binding, PIWI proteins undergo a conformational change from an ‘open’ state to a ‘locked’ state, facilitating base pairing and …