POC Conf. Call 4-5-11 - Revision history

Cooperl: /* Additional comments on today's discussions on in vitro structures: */

2011-04-13T01:21:00Z

Additional comments on today's discussions on in vitro structures:

Rwalls: /* Some terms were left as is_a children of embryonic plant structure: */

2011-04-08T18:22:57Z

Some terms were left as is_a children of embryonic plant structure:

Cooperl: /* in vitro plant structure */

2011-04-07T23:40:46Z

in vitro plant structure

Cooperl: /* Additional comments on today's discussions on in vitro structures: */

2011-04-07T23:40:19Z

Additional comments on today's discussions on in vitro structures:

Cooperl: /* Additional comments on today's discussions on in vitro structures: */

2011-04-07T23:39:50Z

Additional comments on today's discussions on in vitro structures:

Cooperl: /* Additional comments on today's discussions on in vitro structures: */

2011-04-06T19:40:03Z

Additional comments on today's discussions on in vitro structures:

Cooperl: /* Additional comments on today's discussions on in vitro structures: */

2011-04-06T19:37:46Z

Additional comments on today's discussions on in vitro structures:

Cooperl at 18:40, 6 April 2011

2011-04-06T18:40:25Z

Cooperl: /* in vitro plant structure */

2011-04-06T18:39:47Z

in vitro plant structure

Cooperl: /* in vitro plant structure */

2011-04-06T18:39:09Z

in vitro plant structure

@@ Line 196: / Line 196: @@
 ''We agreed that the children of cultured plant cell need to be renamed and possibly redefined to make it clearer what they are referring to. For example:''
-''cultured leaf cell (PO:0000007) should be named leaf-derived cultured cell. Use this term if we don’t know what part of the leaf it is from. Could have, e.g., leaf-mesophyll-derived cultured cell as a child term.''
+''cultured leaf cell (PO:0000007) should be named "leaf-derived cultured plant cell". Use this term if we don’t know what part of the leaf it is from. Could have, e.g., leaf-mesophyll-derived cultured cell as a child term.''
-''Definition of cultured plant callus should say "a mass of undifferentiated parenchyma cells.''
+''Definition of cultured plant callus should say "a mass of undifferentiated parenchyma cells."''
@@ Line 205: / Line 205: @@
 ''>From Eames and MacDaniels-- Introduction to Plant Anatomy''
-''CALLUS: Among the important functions of the cambium is the formation of "callus" or "wound tissue" When wound occur in roots or stems, masses of soft parenchymatous tissue quickly from on or below the injured surface; this tissues is known as callus. Callus may be formed by the division of parenchyma cells on the phloem and the cortex, but its most frequent source is the cambium.  The outer cells of this tissue either become suberized themselves or periderm develops within them, so that a protecting bark is formed beneath which the cambium is active and in forming new vascular tissue in the normal way.''
+''CALLUS: Among the important functions of the cambium is the formation of "callus" or "wound tissue". When wound occur in roots or stems, masses of soft parenchymatous tissue quickly form on or below the injured surface; this tissues is known as "callus". Callus may be formed by the division of parenchyma cells on the phloem and the cortex, but its most frequent source is the cambium.  The outer cells of this tissue either become suberized themselves or periderm develops within them, so that a protecting bark is formed beneath which the cambium is active and in forming new vascular tissue in the normal way.''
 ''On 4/6/2011 DWS commented by email: "This is true of both the cork and vascular cambia, the former also being termed the phellogen".''
@@ Line 221: / Line 221: @@
 ''Callose: definition: A complex branched carbohydrate that is a common wall constituent associated with the sieve areas of sieve elements; may develop in reaction to injury in sieve elements and parenchyma cells. (Raven, Evert and Eichhorn, 4th edition)''
-''From DWS by email: "Callose is not a structure, but rather a compound that occurs in the cell wall as a ring that  surrounds the sieve pores.  It is electron translucent in TEM.  It also occur in the walls of pollen tubes. The plugs in the sieve pores are protein that becomes occlusive as the result a drastic changes in pressure a dure to wounding.  The are actually artifacts."''
+''From DWS by email: "Callose is not a structure, but rather a compound that occurs in the cell wall as a ring that  surrounds the sieve pores.  It is electron translucent in TEM.  It also occur in the walls of pollen tubes. The plugs in the sieve pores are protein that becomes occlusive as the result a drastic changes in pressure a due to wounding.  The are actually artifacts."''
 ==mega/microspore==

@@ Line 300: / Line 300: @@
 ===Some terms were left as is_a children of embryonic plant structure:===
-'''coleoptile''' (PO:0020033): A tubular embryonic structure developed at the junction of the cotyledonary sheath with the seedling axis, and surrounding the plumule of a monocot embryo or seedling.
+'''coleoptile''' (PO:0020033): A tubular embryonic plant structure developed at the junction of the cotyledonary sheath with the seedling axis, and surrounding the plumule of a monocot embryo or seedling.
 '''embryo proper''' (PO:0000001): An embryonic plant structure that is the body of a developing embryo attached to the maternal tissue in an ovule by a suspensor.

← Older revision		Revision as of 23:40, 7 April 2011
Line 127:		Line 127:
	Proposed def’n: A plant somatic embryo that is grown or maintained in vitro.		Proposed def’n: A plant somatic embryo that is grown or maintained in vitro.
	is_a: plant somatic embryo??		is_a: plant somatic embryo??
		+
		+
		+	''If cultured plant embryo is to be a child of embryo, we will need to adjust definition of embryo. Should talk to Melissa Haendel about how they handle haploid and diploid embryos in Zebrafish.''

@@ Line 218: / Line 218: @@
 ''Callose: definition: A complex branched carbohydrate that is a common wall constituent associated with the sieve areas of sieve elements; may develop in reaction to injury in sieve elements and parenchyma cells. (Raven, Evert and Eichhorn, 4th edition)''
 ''From DWS by email: "Callose is not a structure, but rather a compound that occurs in the cell wall as a ring that  surrounds the sieve pores.  It is electron translucent in TEM.  It also occur in the walls of pollen tubes. The plugs in the sieve pores are protein that becomes occlusive as the result a drastic changes in pressure a dure to wounding.  The are actually artifacts."''
 ==mega/microspore==

← Older revision		Revision as of 23:39, 7 April 2011
Line 203:		Line 203:

	''CALLUS: Among the important functions of the cambium is the formation of "callus" or "wound tissue" When wound occur in roots or stems, masses of soft parenchymatous tissue quickly from on or below the injured surface; this tissues is known as callus. Callus may be formed by the division of parenchyma cells on the phloem and the cortex, but its most frequent source is the cambium. The outer cells of this tissue either become suberized themselves or periderm develops within them, so that a protecting bark is formed beneath which the cambium is active and in forming new vascular tissue in the normal way.''		''CALLUS: Among the important functions of the cambium is the formation of "callus" or "wound tissue" When wound occur in roots or stems, masses of soft parenchymatous tissue quickly from on or below the injured surface; this tissues is known as callus. Callus may be formed by the division of parenchyma cells on the phloem and the cortex, but its most frequent source is the cambium. The outer cells of this tissue either become suberized themselves or periderm develops within them, so that a protecting bark is formed beneath which the cambium is active and in forming new vascular tissue in the normal way.''
		+
		+	''On 4/6/2011 DWS commented by email: "This is true of both the cork and vascular cambia, the former also being termed the phellogen".''
		+
		+

	''BS will send paper on how to deal with carcinomas. Solution may be similar for plant callus.''		''BS will send paper on how to deal with carcinomas. Solution may be similar for plant callus.''

← Older revision		Revision as of 19:40, 6 April 2011
Line 213:		Line 213:

	''Callose: definition: A complex branched carbohydrate that is a common wall constituent associated with the sieve areas of sieve elements; may develop in reaction to injury in sieve elements and parenchyma cells. (Raven, Evert and Eichhorn, 4th edition)''		''Callose: definition: A complex branched carbohydrate that is a common wall constituent associated with the sieve areas of sieve elements; may develop in reaction to injury in sieve elements and parenchyma cells. (Raven, Evert and Eichhorn, 4th edition)''
		+
		+	''From DWS by email: "Callose is not a structure, but rather a compound that occurs in the cell wall as a ring that surrounds the sieve pores. It is electron translucent in TEM. It also occur in the walls of pollen tubes. The plugs in the sieve pores are protein that becomes occlusive as the result a drastic changes in pressure a dure to wounding. The are actually artifacts."''

← Older revision		Revision as of 19:37, 6 April 2011
Line 210:		Line 210:


−	''Need to keep in mind callose, (note: distinct from 'callus') as a ~~structure~~ that ~~plugs~~ sieve elements.''	+	''Need to keep in mind callose, (note: distinct from 'callus') as a substance that is associated with sieve elements.''

	''Callose: definition: A complex branched carbohydrate that is a common wall constituent associated with the sieve areas of sieve elements; may develop in reaction to injury in sieve elements and parenchyma cells. (Raven, Evert and Eichhorn, 4th edition)''		''Callose: definition: A complex branched carbohydrate that is a common wall constituent associated with the sieve areas of sieve elements; may develop in reaction to injury in sieve elements and parenchyma cells. (Raven, Evert and Eichhorn, 4th edition)''

@@ Line 6: / Line 6: @@
 Absent: Dennis Stevenson (NYBG), Justin Elser (OSU), Chris Mungall (Lawrence Berkeley National Lab)
 Collaborators: None
 Acceptance of the minutes from the [[POC_Conf._Call_3-29-11]]? ''There were no changes, additions, or deletions.''

@@ Line 126: / Line 126: @@
 '''*cultured somatic embryo: (PO:0000011):'''  Child of cultured plant embryo
- Current Def’n: An embryo arising from previously differentiated somatic cells in vitro, rather than from fused haploid gametes, i.e., zygote.
+Current Def’n: An embryo arising from previously differentiated somatic cells in vitro, rather than from fused haploid gametes, i.e., zygote.
 Proposed def’n: A plant somatic embryo that is grown or maintained in vitro.
 is_a: plant somatic embryo??

@@ Line 124: / Line 124: @@
 This is class is a cross-product of plant embryo (PO:0009009) and in vitro growth ( requested in PATO:000XXXX).
-'''* cultured somatic embryo: (PO:0000011):'''  Child of cultured plant embryo
+'''*cultured somatic embryo: (PO:0000011):'''  Child of cultured plant embryo
   Current Def’n: An embryo arising from previously differentiated somatic cells in vitro, rather than from fused haploid gametes, i.e., zygote.