Cellulose synthase GeneFamily - Revision history

Raj at 19:18, 3 January 2010

2010-01-03T19:18:24Z

← Older revision		Revision as of 19:18, 3 January 2010
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	** CslB is a dicot-specific family while CslH is monocot-specific		** CslB is a dicot-specific family while CslH is monocot-specific
	** paralogous genes of these two families tend to form clusters and have similar gene structures (except for Os04g35020.1) (Figure 5), suggesting the possibility of independent genome-specific duplications followed by subsequent sequence divergence.		** paralogous genes of these two families tend to form clusters and have similar gene structures (except for Os04g35020.1) (Figure 5), suggesting the possibility of independent genome-specific duplications followed by subsequent sequence divergence.
	Category:Readings		[[Category:Readings]]

Raj at 19:09, 3 January 2010

2010-01-03T19:09:36Z

← Older revision		Revision as of 19:09, 3 January 2010
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	** CslB is a dicot-specific family while CslH is monocot-specific		** CslB is a dicot-specific family while CslH is monocot-specific
	** paralogous genes of these two families tend to form clusters and have similar gene structures (except for Os04g35020.1) (Figure 5), suggesting the possibility of independent genome-specific duplications followed by subsequent sequence divergence.		** paralogous genes of these two families tend to form clusters and have similar gene structures (except for Os04g35020.1) (Figure 5), suggesting the possibility of independent genome-specific duplications followed by subsequent sequence divergence.
			Category:Readings

Raj: /* Results */

2009-08-17T09:45:51Z

Results

← Older revision		Revision as of 09:45, 17 August 2009
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	**CslG family diversified separately in each dicot plant via intragenomic duplications		**CslG family diversified separately in each dicot plant via intragenomic duplications
	** CslJ is possibly a new family and gene sequences are highly conserved		** CslJ is possibly a new family and gene sequences are highly conserved
	* '''CslB and CslH''': CslB is a dicot-specific family while CslH is monocot-specific		* '''CslB and CslH''':
			** CslB is a dicot-specific family while CslH is monocot-specific
			** paralogous genes of these two families tend to form clusters and have similar gene structures (except for Os04g35020.1) (Figure 5), suggesting the possibility of independent genome-specific duplications followed by subsequent sequence divergence.

Raj: /* Results */

2009-08-17T09:03:44Z

Results

← Older revision		Revision as of 09:03, 17 August 2009
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	**CslG family diversified separately in each dicot plant via intragenomic duplications		**CslG family diversified separately in each dicot plant via intragenomic duplications
	** CslJ is possibly a new family and gene sequences are highly conserved		** CslJ is possibly a new family and gene sequences are highly conserved
			* '''CslB and CslH''': CslB is a dicot-specific family while CslH is monocot-specific

Raj: /* Results */

2009-08-17T09:01:41Z

Results

← Older revision		Revision as of 09:01, 17 August 2009
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	* '''CS1''' family		* '''CS1''' family
	** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants		** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants
	* '''CslE''': diverged separately after the split of dicots and monocots.		* '''CslE''':
			** diverged separately after the split of dicots and monocots.
			** CslE, this family is also substantially expanded in the grape genome possibly as a result of tandem gene duplications
	* '''CslG and CslJ''':		* '''CslG and CslJ''':
	**CslG family diversified separately in each dicot plant via intragenomic duplications		**CslG family diversified separately in each dicot plant via intragenomic duplications
	** ~~CslE, this family~~ is ~~also substantially expanded in the grape genome~~ possibly as a ~~result of tandem~~ gene ~~duplications~~		** CslJ is possibly a new family and gene sequences are highly conserved

Raj: /* Results */

2009-08-17T08:57:41Z

Results

← Older revision		Revision as of 08:57, 17 August 2009
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	** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants		** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants
	* '''CslE''': diverged separately after the split of dicots and monocots.		* '''CslE''': diverged separately after the split of dicots and monocots.
			* '''CslG and CslJ''':
			**CslG family diversified separately in each dicot plant via intragenomic duplications
			** CslE, this family is also substantially expanded in the grape genome possibly as a result of tandem gene duplications

Raj: /* Take Home Points */

2009-08-17T08:55:56Z

Take Home Points

← Older revision		Revision as of 08:55, 17 August 2009
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	* OBJ: Systematic investigation of 9 Cs1 and 1 CesA gene family from 17 seqeunced algal genome		* OBJ: Systematic investigation of 9 Cs1 and 1 CesA gene family from 17 seqeunced algal genome
	== Take Home Points==		== Take Home Points==
	** CesA is a super family consists of many Cs1 family of which Cs1A, CslF, CslC, CslH, CslC are some of them		* CesA is a super family consists of many Cs1 family of which Cs1A, CslF, CslC, CslH, CslC are some of them
	** The backbone synthases of all major hemicellulose classes except for xylans are known.		* The backbone synthases of all major hemicellulose classes except for xylans are known.
	** CSL hypothesis ?		* CSL hypothesis ?
	** CslA and CslC families originated through an ancient gene duplication event in land plants		* CslA and CslC families originated through an ancient gene duplication event in land plants
	** ''Generally, a lower selection pressure indicates a higher evolutionary rate		* ''Generally, a lower selection pressure indicates a higher evolutionary rate
	** Genes that originated relatively recently through gene duplications or by other mechanisms usually evolve more rapidly than the more ancient genes''		* Genes that originated relatively recently through gene duplications or by other mechanisms usually evolve more rapidly than the more ancient genes''

	== Results ==		== Results ==

Raj: /* Results */

2009-08-17T08:55:40Z

Results

← Older revision		Revision as of 08:55, 17 August 2009
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	== Results ==		== Results ==
	** CS1 Family classification		* CS1 Family classification
	*** Carried out through protein domain similarity		** Carried out through protein domain similarity
	*** A new Csl family was discovered very recently in cereals and named CslJ (specific to cerials)		** A new Csl family was discovered very recently in cereals and named CslJ (specific to cerials)
	** '''CS1''' family		* '''CS1''' family
	*** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants		** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants
	** '''CslE''': diverged separately after the split of dicots and monocots.		* '''CslE''': diverged separately after the split of dicots and monocots.

Raj at 08:55, 17 August 2009

2009-08-17T08:55:24Z

← Older revision		Revision as of 08:55, 17 August 2009
Line 3:		Line 3:

	* OBJ: Systematic investigation of 9 Cs1 and 1 CesA gene family from 17 seqeunced algal genome		* OBJ: Systematic investigation of 9 Cs1 and 1 CesA gene family from 17 seqeunced algal genome
	* Take Home Points:		== Take Home Points==
	** CesA is a super family consists of many Cs1 family of which Cs1A, CslF, CslC, CslH, CslC are some of them		** CesA is a super family consists of many Cs1 family of which Cs1A, CslF, CslC, CslH, CslC are some of them
	** The backbone synthases of all major hemicellulose classes except for xylans are known.		** The backbone synthases of all major hemicellulose classes except for xylans are known.
	** CSL hypothesis ?		** CSL hypothesis ?
	** CslA and CslC families originated through an ancient gene duplication event in land plants		** CslA and CslC families originated through an ancient gene duplication event in land plants
	* Results		** ''Generally, a lower selection pressure indicates a higher evolutionary rate
			** Genes that originated relatively recently through gene duplications or by other mechanisms usually evolve more rapidly than the more ancient genes''

			== Results ==
	** CS1 Family classification		** CS1 Family classification
	*** Carried out through protein domain similarity		*** Carried out through protein domain similarity
	*** A new Csl family was discovered very recently in cereals and named CslJ (specific to cerials)		*** A new Csl family was discovered very recently in cereals and named CslJ (specific to cerials)
	*** ''Generally, a lower selection pressure indicates a higher evolutionary rate
	*** Genes that originated relatively recently through gene duplications or by other mechanisms usually evolve more rapidly than the more ancient genes''
	** '''CS1''' family		** '''CS1''' family
	*** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants		*** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants
	** '''CslE''': diverged separately after the split of dicots and monocots.		** '''CslE''': diverged separately after the split of dicots and monocots.

Raj at 08:54, 17 August 2009

2009-08-17T08:54:39Z

← Older revision		Revision as of 08:54, 17 August 2009
Line 12:		Line 12:
	*** Carried out through protein domain similarity		*** Carried out through protein domain similarity
	*** A new Csl family was discovered very recently in cereals and named CslJ (specific to cerials)		*** A new Csl family was discovered very recently in cereals and named CslJ (specific to cerials)
	*** Ka/Ks of CS1 family		*** ''Generally, a lower selection pressure indicates a higher evolutionary rate
	**** ''Generally, a lower selection pressure indicates a higher evolutionary rate		*** Genes that originated relatively recently through gene duplications or by other mechanisms usually evolve more rapidly than the more ancient genes''
	**** Genes that originated relatively recently through gene duplications or by other mechanisms usually evolve more rapidly than the more ancient genes''		** '''CS1''' family
	**** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants		*** '''CslB/H/E/G/J''' families have evolved more rapidly than the other Csl families, which lends further support for the hypothesis that these families might have diversified relatively recently to acquire new functions specific to the seed plants
	**** '''CslE''': diverged separately after the split of dicots and monocots.		** '''CslE''': diverged separately after the split of dicots and monocots.