明朝段一洁信札《与吴介兹》：野梨酸涩类枳，断桃根接之，稍可啖；再接之，三接之，甘脆远过于哀梨。可见人不可不相与好人也。

作者虽然是借用嫁接来说“交朋友要交品质好的人”这样的道理，但是，嫁接为什么会有这么大的威力呢? 嫁接改变园艺植物性状的分子机理是什么?

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科学家发现了一种有助于不同科的植物间嫁接的酶

Scientists identify an enzyme that facilitates grafting between plants of different families

https://phys.org/news/2020-09-scientists-enzyme-grafting-families.html

Michitaka Notaguchi et al. Cell-cell adhesion in plant grafting is facilitated by β-1,4-glucanases, Science (2020). DOI: 10.1126/science.abc3710

揭示寄生和嫁接的常见分子机制

Planting parasites: Unveiling common molecular mechanisms of parasitism and grafting

https://www.sciencedaily.com/releases/2020/10/201010135507.htm

Ken-ichi Kurotani, Takanori Wakatake, Yasunori Ichihashi, Koji Okayasu, Yu Sawai, Satoshi Ogawa, Songkui Cui, Takamasa Suzuki, Ken Shirasu, Michitaka Notaguchi. Host-parasite tissue adhesion by a secreted type of β-1,4-glucanase in the parasitic plant Phtheirospermum japonicum. Communications Biology, 2020; 3 (1) DOI: 10.1038/s42003-020-01143-5

植物嫁接：遗传物质交换如何促进维管重新连接

Plant grafting: how genetic exchange promotes vascular ...

https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.14383

植物嫁接：深入了解组织再生

Plant grafting: insights into tissue regeneration

https://onlinelibrary.wiley.com/doi/pdf/10.1002/reg2.71

《当代生物学》综述：植物嫁接

Plant grafting: Current Biology

https://www.cell.com/current-biology/fulltext/S0960-9822(15)00060-3

https://www.sciencedirect.com/science/article/pii/S0960982215000603