| 1. | Ecms associated with pollen tube growth include arabinogalactan proteins , extensin - like glycoproteins , proline - rich proteins , calmodulin , s - glycoproteins , pectins and those that specifically located in the ovary 与花粉萌发和花粉管生长相关的雌蕊胞外基质种类主要包括阿拉伯半乳糖蛋白、类伸展素糖蛋白、富含脯氨酸糖蛋白、钙调素、 s -糖蛋白、果胶以及子房的特异性物质等。 |