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- W2391740791 abstract "ATPase activity of in ‘Nongkeng58s’ (rice, Oryza sativa L.) anthers was detected with Pb 3 (PO 4) 2 precipitation technique during different developmental stages of pollen. At small-vacuole pollen stage, fertile pollen (Nongkeng58s-SD, short daylight) showed well developed tectum, columellae and endexine, and ATPase was mainly localized in nucleus and on the surface of tectum. While at big-vacuole pollen stage, fertile pollen showed ATPase activity in nucleolus, mitochondria, intine, columellae and on the surface of tectum. At bi-nucleate pollen stage, ATPase was localized in nucleus, endintine, columellae and on the surface of tectum. In sterile pollen (Nongkeng58s-LD, long daylight), exine did not develop well at small-vacuole stage, and ATPase activity in nucleolus was more active than that of the rest of nucleus. The exine of sterile pollen was not perfectly differentiated even at big-vacuole pollen stage, and ATPase was localized in nucleus, mitochondria, intine, malformed columellae and on the surface of the tectum. At bi-nucleate pollen stage, sterile pollen showed ATPase activity in intine and distorted columellae. The tapetum of fertile anther showed ATPase activity in mitochondria and nucleus, while in sterile anther, tapetum exhibited ATPase activity only in nucleus. In addition, the connective structure of sterile anther was different from its counterpart in fertile anther. Based on the above results, we supposed that malfunction of tapetum and nucleus in sterile pollen might be closely related to male sterility." @default.
- W2391740791 created "2016-06-24" @default.
- W2391740791 creator A5073016638 @default.
- W2391740791 date "2002-01-01" @default.
- W2391740791 modified "2023-09-23" @default.
- W2391740791 title "Studies on ATPase-localization in Anthers of Photoperiod-sensitive Genic Male-sterile Rice" @default.
- W2391740791 hasPublicationYear "2002" @default.
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