eEF1A1 coordinates different levels of HSP70 expression during heat stress to promote cell survival

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Tobias von der Haar
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Tobias von der Haar
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Resumen del Recurso

eEF1A1 coordinates different levels of HSP70 expression during heat stress to promote cell survival
  1. eEF1A1 is a regulator of the adaptation to heat stress
    1. Fig1a: eEF1A1 knockdown reduces Hsp70 expression during heat stress
      1. Fig1b: eEF1A1 knockdown reduces cell survival during heat stress
      2. eEF1A1 is a specific transcriptional regulator of HSP70 expression
        1. Fig1c: eEF1A1 knockdown reduces Hsp70 mRNA expression during heat stress
          1. Fig1d: eEF1A1 knockdown reduces RNA Pol II occupancy of an HSP70 gene (but not of an unrelated control gene)
            1. Fig1e/f: eEF1A1 knockdown reduces the number and intensity of HSP70 transcription sites
            2. eEF1A1 regulates HSF1 activity in transcriptionally active sites during heat stress, by interacting with it in a promoter-bound complex
              1. eEF1A1 regulates HSF1 activity by interacting with it in a promoter-bound complex
                1. eEF1A1 regulates HSF1 activity by interacting with it
                  1. eEF1A1 regulates HSF1 activity
                    1. Fig2a: eEF1A1 knockdown reduces binding of HSF1 to a synthetic HSP70 promoter fragment
                      1. Fig2b: eEF1A1 knockdown reduces HSF1 promoter occupancy in vivo
                      2. Fig2c: eEF1A1 interacts with HSF1 in vivo
                        1. Fig2d: eEF1A1-HSF1 complexes bind to a synthetic HSP70 promoter fragment
                        2. Fig2f: eEF1A1 itself binds to synthetic HSP70 promoter DNA
                          1. Fig2e: eEF1A1 specifically binds to HSP70 promoters in vitro
                            1. Fig3a-c: eEF1A1 localises to HSP70 transcription sites during heat stress in vivo
                            2. eEF1A1 is recruited to transcriptionally active sites during heat stress
                              1. Fig3d: eEF1A1 binding to HSP70 transcription sites is dependent on ongoing transcription
                                1. Fig3e: eEF1A1 directly binds to RNA pol II
                              2. eEF1A1 controls HSP70 translation by binding to it
                                1. Fig5d: eEF1A1 colocalises with HSP70 mRNA in the cytoplams during heat stress
                                  1. Fig5e: eEF1A1 knockdown reduces HSP70 mRNA translation during heat stress
                                  2. Fig5a-c: eEF1A1 knockdown impairs HSP70 mRNA export
                                    1. eEF1A1 promotes HSP70 mRNA stability by binding to it
                                      1. eEF1A1 binds to HSP70 mRNA
                                        1. Fig4a,b: eEF1A1 remains bound to HSP70 mRNA following transcription
                                          1. Fig4c: eEF1A1 binds to the 3'-UTR of HSP70 mRNA in vitro
                                          2. eEF1A1 controls HSP70 mRNA stability
                                            1. Fig4e: eEF1A1 knockdown reduces HSP70 mRNA half-life
                                              1. Fig4f: eEF1A1 knckdown reduces the expression of a reporter gene containing the HSP70 promoter and 3'-UTR
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