| 摘要 |
<p>Protoplasts of laver thalus suitable for use in cell fusion can be obtained by treating a thallus of laver with a protease and then treating them with a combination of .beta.-1,3-xylanase and .beta.-1,4-mannanase or a combination of .beta.-1,3-xylanase, .beta.-1,4-mannanase and porphyranase.</p> |
