哪位英语好的帮我翻译一下，感激不尽。

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histone H3
! X' Y+ o8 Z6 n. C+ x" B2 xmethylation at lysine 9 is associated with heterochromatin and
) X; K" w/ k: B* ]( i$ [gene silencing, while histone H3 at lysine 4 or 27 is associated$ _. F+ m4 u9 T6 V* r6 ]( p  [3 ]' }: h
with transcriptional activation.% L9 I* F. Z& ?$ ]
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Each lysine residue may be0 C' ~5 S/ d5 a2 {, y
methylated in the form of mono-, di-, or tri-methylation, adding
! H, Q: J4 k+ ]2 w1 O' |enormous complexity. Deciphering histone tail modifications" Y- o5 J! t7 N/ C$ m
and defining a potential “histone code” controlling gene expression
0 }  q- U% D; [represents an emerging field of epigenetic research 。, |6 q- I5 C5 `% V
Whether the potential histone code is modifiable by environmental
. O6 V5 v3 g% y% B$ t$ H7 Wexposures, similar toDNAmethylation patterns, remains* S4 t$ q! f/ b& \! p, M- b* @( k
to be determined.9 ^) \1 J5 b% G0 Q9 B& Y
可以的话请把汉语写下来，谢谢。里面有些术语我都不知道翻成什么。

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回复 naturalkillerce 的帖子
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多谢

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回复 webber43 的帖子
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多谢