Expression, Purification and Characterization of Populus tomentosa PtoeIF5A4 in Prokaryote Isolation and Expression of Eukaryotic Translation Initiation Factor 5A2 in Populus tomentosa Screening and Identification of Plant Protein Interacted with Coat Protein P10 of Rice Black-Streaked Dwarf Virus An eukaryotic translation initiation factor, AteIF5A-2, affects cadmium accumulation and sensitivity in Arabidopsis