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. 1990 Nov;94(3):1467–1471. doi: 10.1104/pp.94.3.1467

Isolation and Characterization of a Novel Nuclear Protein from Pollen Mother Cells of Lily

Yoh Sasaki 1,2, Hideyo Yasuda 1,2, Yoshiki Ohba 1,2, Hiroshi Harada 1,2
PMCID: PMC1077400  PMID: 16667855

Abstract

Pollen mother cells of the lily (Lilium speciosum) were found to have a histone-H1-like protein (PMCP) not detected in other tissues. The PMCP appears from the late S-G2 period of premeiosis and is present in mature pollen. PMCP and H1 were extracted from pollen mother cells with 5% perchloric acid and isolated by reverse-phase high-performance liquid chromatography. The amino acid composition of PMCP differs from that of somatic H1. However, PMCP is similar to H1t in mammalian testis with regard to amino acid composition.

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